NIC Cards Upgrade On 2 Servers
Feb 2, 2007
The issue we have is that server1 (web) has the load very high, compared to server2 (mysql). Sever2 stays at 0.5 during peak time.
I must mention that we have very heavy traffic hits only for 30min/day, then things calm down.
I simple diagram would be:
[USERS] <= NIC1 => [SERVER1 WEB] <= NIC2 => [SERVER2 MYSQL]
So I think we can install a load balancer and upgrade the NIC cards, in order to solve this problem.
What I thought is this:
In server1 (web) install 2 NICs, one facing the users and one facing the server2 (mysql).
Currently we have a 100MB NIC card into each server.
The 95th is way to high at peak time, over 500MB so I was thinking on installing a 1GB NIC facing the server2 (mysql).
My question is:
What is the best way to install a second NIC into an existing configuration?
Do I need a Cisco 2970 switch?
Example:
[USERS] <= NIC1 | NIC3 => [SERVER1 WEB] <= NIC2 => [SERVER2 MYSQL]
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Jun 17, 2008
Will the Dell-made PERC 4 DC (or SC) RAID cards work in Sub v20z servers?
The Sun v20z specs :
[url]
From what I gather, it should in theory work, as they are both PCI-X and Ultra320 SCSI ... right?
If they won't work, can anyone recommend any raid cards that will?
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Apr 13, 2009
We've been investigating software and appliances that would allow us a central, web based login to manage access and users to all the servers with IPMI cards. Does anyone use anything other than appliances from avocent or raritan?
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Aug 3, 2008
I was wondering if there's any web hosts that offer 3D graphics cards in their hosted dedicated servers? they don't have to be that great of 3D graphics cards just better graphics than the normal video cards that they usually put in them?
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Sep 7, 2009
we manage about 400 linux servers, every time that a new kernel is out or that we need install something we must login to each box and lanch the command, i think that this is a old system that can be used about 10 years ago how do u manage large servers upgrade? is there any tool that we can use to lunch command on several box?
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May 13, 2008
I have a few dedicated servers, and I noticed recently that one of them is 4 years old.
The server ran "fine", but what ~$200 could buy 4 years ago is a lot different than the technology, speed that ~$200 can buy today.
Is that a good sign that it's time to get a new dedicated server?
Do you ask your current datacenter to upgrade the current server or do you just get a new box and migrate your data to the new beefed up server?
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Jun 2, 2008
I'm running a message board and it looks like I've outgrown the low end xeon 3040 1.86GHz dual core server, and the bulk of the CPU load is going to mysqld. I'm debating between offloading the DB to a dedicated server vs upgrading the existing server and hosting the web server and db on the same machine.
Any thoughts on the better approach? fwiw, the load from apache seems next to nothing right now, but I am also planning on adding an SMTP server for user registrations and general support email.
I'm also not super familiar with dual-core and dual processor machines. Does shifting mysql to a dual core or dual proc machine help (vs a single core/single proc machine)? since there is just one mysql daemon, does having a second core or proc. buy me anything?
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Apr 17, 2008
Not sure on industry standard here, but I am now curious about this issue.
I placed an order with a company, paid for a setup, first month etc. On receiving the order, I was given the wrong product. Which was fixed for me within a few days. I was happy to even pay for this which the host declined.
Fast forward a week or so. Still in the first month, and issues are still not resolved.
I've now removed credit card information from the billing system (yes I know, shouldn't do it) with good reason. I expected to have to pay another month, and that was fine.
Anyway, month ends and I am charged on a credit card that was removed from the billing system. When confronted about it, I was told standard practice. I think this is highly unethical to hold details after they had been removed.
Is this indeed standard practice in this industry? Do a majority of other hosts do the same thing?
Now again, I am only to happy to pay another month, just not from a credit that was removed, which is why it was removed. I would've sent a check, or done a deposit. I do understand that fraud, etc is very high in this industry. I have a host or two not give me service because of the email address I used during sign up, but when changed, I received service.
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Dec 9, 2008
i have several servers here but only basic knowledge about raid
My understanding of raid is like this
I have a server with 4 disk on it and if i put it in raid 1 and want to install an OS i can only see 2 of the disks right? (thats how it works on my ibm server)
But with my other servers if i put them in raid 1 and want to install OS i can still see all 4 disks thats not right is it?
anyone that can recommend a pci raid card for 4 sata2 disks?
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Aug 29, 2007
to setup a Windows server that can support the failure of the switch that comes before it in the network diagram. The idea would be that if the 15A circuit the switch was on failed, or the switch just died, the server would still be online.
I already have two switches in spanning tree just before the server. Is there a way to assign a single IP to the server on both its network cards and connect each card to a different (spanning tree'd) switch?
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Nov 8, 2007
I am setting up an internal network for management only. So, assign an IP for the second NIC, and activate it, but it seems not working. I have tried this
#ifconfig eth1 192.168.2.14 netmask 255.255.255.0 broadcast 192.168.2.255
#ifconfig eth1 up
checking dmesg, it shows the NIC is up
# dmesg
ADDRCONF(NETDEV_UP): eth1: link is not ready
tg3: eth1: Link is up at 100 Mbps, full duplex.
tg3: eth1: Flow control is off for TX and off for RX.
checking routing table seeing the 192.168.2.x routed through eth1
# route -e
192.168.2.0 * 255.255.255.0 U 0 0 0 eth1
192.168.1.0 * 255.255.255.0 U 0 0 0 eth0
169.254.0.0 * 255.255.0.0 U 0 0 0 eth1
default reserve1.somename 0.0.0.0 UG 0 0 0 eth0
Repeat those steps for other boxes, but when pinging, all return errors
# ping 192.168.2.20
PING 192.168.2.20 (192.168.2.20) 56(84) bytes of data.
From 192.168.2.14 icmp_seq=1 Destination Host Unreachable
From 192.168.2.14 icmp_seq=2 Destination Host Unreachable
From 192.168.2.14 icmp_seq=3 Destination Host Unreachable
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May 20, 2007
With Ubuntu getting more and more popular, anyone knows what are the raid cards that support Ubuntu?
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Apr 3, 2007
I have a question maybe someone can help with. Is it possible to set the IP address on a IPMI card before a system ships? That way when the customer gets it, it already has the IP address set to whatever was agreed on and they can log right in using that IP address?
The card is a supermicro Supermicro AOC-SIMLC
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Jan 10, 2007
I have linux dedicated server and like to setup dual NIC cards for extra redundancy.. in case one NIC card fails.
I have no idea how I can set this up..how can I do this? I understand at least I need swtich.. and?
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Feb 24, 2007
I have a server running cPanel.
At the moment, I am been hosted on an unmanaged server (dedicated).
My server provider is offering $25/hour for managed support.
My Kernal and Centos have not been updated for a while and I am looking to upgrade both of them. I am wondering how long would these 2 jobs normally take?
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Jan 20, 2007
I have a lot of questions here so if you can't answer them all I understand. even pointing me somewhere where I could get the answers would be appreciated; hardware sites focusing on server hardware, forums focusing on such, etc.
we plan to have three different types of servers:
- db server (self explanatory. mysql. for forums, mysql driven sites.)
- file server (lots of files around ~2-10MB, consistant 70mbps right now, but we want more room for upgrades. needs a LOT of storage room.)
- web server (lots of php files, but also static things like plain html, images, etc. also includes all misc services for the setup-- dns, etc.)
could I be given a rundown for which hardware each of the three should have? I don't need specifics, even just knowing that more ram is important here while cpu doesn't matter as much, or that the fastest disks available are a must, etc would all be valuable info for me. despite that, I certainly wouldn't mind specific hypothetical hardware configs.
for the database server I'm assuming the more ram the better. not entirely sure about the cpu? also not positive on disks...
for the fileserver, how much ram would be practical or useful? disk io will be an issue I'm because plenty of people will be pulling files at once so the disk needs to read from multiple places. scsi (and even raptors) are not an option as we need 750GB+ of space on a reasonable budget. more ram will take some load of of the disks, but how much is neccessary / reasonable?
for the web server I'm assuming cpu first, then ram, but it'll likely need less ram than the db server?
I'm more lost on the disks than anything. scsi on the fileserver is not an option under any circumstances due to $/GB. for the db & web server I'm willing to pay for scsi if the performance increase really does warrant the extra money, but I'd like to be convinced before shelling it out. if you have benchmarks geared at server hardware when it comes to disks I'd really appreciate it.
also, what's the best way to network these together when colocated? each one with a dual gigabit ethernet port and then the communications go to and from the router?
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May 24, 2008
We send mail to another servers but we cant recieve mails another servers. We can't recieve with webmail and outlook.
I look logs but there is no error and our ip is not in blacklist.
there is the error in our server
[url]
linux cpanel centos 4.6
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Mar 28, 2008
I was wondering if it is possible to cluster 2 web servers and 2 mysql servers with only one server working as load balancer.
I am planning to use LVS (ldirectord and heartbeat).
Let's say I have 3 IPs allocated to the load balancing server.
111.222.111.222 (Main IP)
111.222.111.223 (Web Load Balancing IP)
111.222.111.224 (MySQL Load Balancing IP)
If a connection is made to .223 it would pass the request to one of the web nodes.
If a connection is made to .224 it would pass the request to one of the MySQL nodes.
Is it possible to do this?
If not, can I run, for example, nginx on 223 IP address to provide forward proxy? (Then it would not be able to HA but the main point is to load balance so)
Also, what would be the best way to keep the data same on both web servers? This is a web cluster for a very high traffic forum with a lot of uploads every hour so it has to do real time synchronization. I heard that DRDB is only one way and not two way so I'm not going to be able to use this.
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Oct 11, 2009
I am just colocating servers and managing them myself, and renting services off of them. In the future I would like to start offering dedicated servers as well. I am wondering if many companies do this, or if its more of a general practice to just setup as a reseller? The worst part that comes to mind is thinking of how to do billing for the bandwidth per month. With my setup I would only be offering flat bandwidth packages (like 2TB a month) but even so, I cant think of anyway to automate it so WHMCS knows if they went over, if so, how much, etc.
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Nov 8, 2009
I'm in a vps with 512 MB ram now, my visitors per day is 10K and from top command, i just use about 200 MB. But, my vps is always got downtime everyday about 30 minutes. The CS said it is because my ram, the top command is not representing the real ram and recommend me to upgrade my ram to 768 MB.
Should i upgrade my ram?
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Jan 17, 2009
I run the website for a small but profitable business. We currently have a shared hosting package with Midphase (who suck horribly) for about $10/month, and I'd like to switch hosts ASAP.
I need to stay under $50/month, but my question is how much do I need to spend and would I benefit from VPS?
Our requirements are relatively modest (see below) but we need rock-solid uptime, fast transfer speeds, and quick/effective support should we need it. I'd also like to keep using cpanel or something equally easy.
Here's are current stats:
traffic: 1000 visits/month or less
disk space: 5GB
bandwidth: 1.5 GB/month
mysql databases: 3
scripting: We also have a couple of wordpress blogs installed and run a small php script daily via cron
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Mar 25, 2009
I try to relocate a database from my MS-sql8 server to a MS-sql 10. I can't get it to work as it should on the new host.
I have used the deattach / atttach method and after that i can login to the db in the new server and make selects. However stored procedures or views does not work. If i try to access them from a vbscript it get an error telling me that the stored procedure does not exicst. If I use the admin tool I can verify that it is there.. Can someone explain what to do? the db is owned by the user and should have all user rights thats needed, but apparently i guess that something is missing.
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Jun 1, 2008
I have had a VPS at Futurehosting for over 2 years, that I am very happy with. Currently, the OS is Centos 4.
At what point in time should I upgrade to Centos 5? And are there in pitfalls when upgrading from a system that seems to be ticking along happily. Are there many incompatibility issues?
Also, similar question for Apache 2 and MySQL 5?
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Mar 17, 2008
I have a test VPS set-up, and I wish to upgrade to PHP 6 to test out my pre-existing websites (and make any necessary changes pro-actively).
Can anyone point me in the direction of how to upgrade it (and then configure Apache 2.2, MySQL 5 etc as needed)?
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May 6, 2008
I have a linux VPS server.My trouble started when I bought a script that required me to install PHP5. Currently my server have 4.3.9.
Being a linux noob, it took me 2 days to install PHP 5 but now the problem is everything is still using PHP 4.3.9. When i do a phpinfo(); it shows php4.3.9.So, can someone please tell me how to tell the system to use PHP 5.
I used the exact same ./configure command as i see in the PHPINFO(); for PHP4.3.9 i.e
#'./configure' '--build=i686-redhat-linux-gnu' '--host=i686-redhat-linux-gnu' '--target=i386-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--cache-file=../config.cache' '--with-config-file-path=/etc' '--with-config-file-scan-dir=/etc/php.d' '--enable-force-cgi-redirect' '--disable-debug' '--enable-pic' '--disable-rpath' '--enable-inline-optimization' '--with-bz2' '--with-db4=/usr' '--with-curl' '--with-exec-dir=/usr/bin' '--with-freetype-dir=/usr' '--with-png-dir=/usr' '--with-gd=shared' '--enable-gd-native-ttf' '--without-gdbm' '--with-gettext' '--with-ncurses=shared' '--with-gmp' '--with-iconv' '--with-jpeg-dir=/usr' '--with-openssl' '--with-png' '--with-pspell' '--with-xml' '--with-expat-dir=/usr' '--with-dom=shared,/usr' '--with-dom-xslt=/usr' '--with-dom-exslt=/usr' '--with-xmlrpc=shared' '--with-pcre-regex=/usr' '--with-zlib' '--with-layout=GNU' '--enable-bcmath' '--enable-exif' '--enable-ftp' '--enable-magic-quotes' '--enable-sockets' '--enable-sysvsem' '--enable-sysvshm' '--enable-track-vars' '--enable-trans-sid' '--enable-yp' '--enable-wddx' '--with-pear=/usr/share/pear' '--with-imap=shared' '--with-imap-ssl' '--with-kerberos' '--with-ldap=shared' '--with-mysql=shared,/usr' '--with-pgsql=shared' '--with-snmp=shared,/usr' '--with-snmp=shared' '--enable-ucd-snmp-hack' '--with-unixODBC=shared,/usr' '--enable-memory-limit' '--enable-shmop' '--enable-calendar' '--enable-dbx' '--enable-dio' '--enable-mbstring=shared' '--enable-mbstr-enc-trans' '--enable-mbregex' '--with-mime-magic=/usr/share/file/magic.mime' '--with-apxs2=/usr/sbin/apxs'
#make
#make install
Even the installed PHP seems not be working after the upgrade, when i type "php" i see this now:
# php -v
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/domxml.so' - /usr/lib/php4/domxml.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/gd.so' - /usr/lib/php4/gd.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: UåWVSè?ò: Unable to initialize module
Module compiled with module API=20020429, debug=0, thread-safety=0
PHP compiled with module API=20060613, debug=0, thread-safety=0
These options need to match
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/ldap.so' - /usr/lib/php4/ldap.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/mbstring.so' - /usr/lib/php4/mbstring.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/mysql.so' - /usr/lib/php4/mysql.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: UåVSè
: Unable to initialize module
Module compiled with module API=20020429, debug=0, thread-safety=0
PHP compiled with module API=20060613, debug=0, thread-safety=0
These options need to match
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/odbc.so' - /usr/lib/php4/odbc.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/pgsql.so' - /usr/lib/php4/pgsql.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: UåVSèé): Unable to initialize module
Module compiled with module API=20020429, debug=0, thread-safety=0
PHP compiled with module API=20060613, debug=0, thread-safety=0
These options need to match
in Unknown on line 0
PHP Warning: PHP Startup: UåSèÝ": Unable to initialize module
Module compiled with module API=20020429, debug=0, thread-safety=0
PHP compiled with module API=20060613, debug=0, thread-safety=0
These options need to match
in Unknown on line 0
PHP 5.2.5 (cli) (built: May 5 2008 23:38:38)
Copyright (c) 1997-2007 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2007 Zend Technologies
[root@ip-68-178-166-214 php-5.2.5]# php
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/domxml.so' - /usr/lib/php4/domxml.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/gd.so' - /usr/lib/php4/gd.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: UåWVSè?ò: Unable to initialize module
Module compiled with module API=20020429, debug=0, thread-safety=0
PHP compiled with module API=20060613, debug=0, thread-safety=0
These options need to match
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/ldap.so' - /usr/lib/php4/ldap.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/mbstring.so' - /usr/lib/php4/mbstring.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/mysql.so' - /usr/lib/php4/mysql.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: UåVSè
: Unable to initialize module
Module compiled with module API=20020429, debug=0, thread-safety=0
PHP compiled with module API=20060613, debug=0, thread-safety=0
These options need to match
in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/odbc.so' - /usr/lib/php4/odbc.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php4/pgsql.so' - /usr/lib/php4/pgsql.so: undefined symbol: empty_string in Unknown on line 0
PHP Warning: PHP Startup: UåVSèé): Unable to initialize module
Module compiled with module API=20020429, debug=0, thread-safety=0
PHP compiled with module API=20060613, debug=0, thread-safety=0
These options need to match
in Unknown on line 0
PHP Warning: PHP Startup: UåSèÝ": Unable to initialize module
Module compiled with module API=20020429, debug=0, thread-safety=0
PHP compiled with module API=20060613, debug=0, thread-safety=0
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Feb 19, 2007
i run into this problem trying to upgrade php 4 to 5 on FreeBSD 5.4
checking whether to enable LIBXML support... yes
checking libxml2 install dir... no
checking for xml2-config path...
configure: error: xml2-config not found. Please check your libxml2
installation.
*** There was an error while trying to configure php. Check the configure.php file
how do i install libxml?
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Apr 17, 2007
If you are using CSF (ConfigServer Firewall), you should upgrade to v2.67 as soon as possible.
[url]
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Dec 23, 2007
Currently my ensim server's PHP version is 4.3.9, and i will want to upgrade it to version 4.4.7. But i have never upgrade PHP before.
Is there any guide which can guide me on how to perform the upgrade? I heard that upgrading through RPM is a faster way?
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Oct 1, 2007
I have a dedicated server and currently its running php 4.4.7. I need to upgrade to atleast 5.0 to run a script i purchased for my new website. Script wont install unless its php 5.0.
So here is what i did:
logged into my whm under root...clicked on Software-Apache Update
Now i have a list of software i can install. So i selected php module version 5.0.4 and clicked on start build. It ran and then my server restarted. But now when i try to open any of my sites on that dedicated server it does not open them. It makes me download each page i try to open.
Example i go to www.mysite.com/index.php it will ask me to download the index.php file.
How do i install php 5 on my server using cpanel/whm
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Jun 21, 2007
I currently have a LiquidWeb VPS1 since April 15, 2006. Over-all very happy with it (minus the cPanel crap cPanel pulls). They are running a special on all VPS's and dedicated and am thinking of moving to the VPSII plan. CPU load is low and RAM/System usage (is that RAM?) usage is sitting at 55% (after 5 days).
I do "Family and Friends" hosting and it covers it now, but I couldn't afford to pay for the VPSII on my own, but with auto monthly payments from Friends and Family I could afford it.
Reasons for looking at the VPSII plan? 768MB RAM and double the CPU. My friend is hosting with me and runs all Drupal sites (same with me (once they go live). Drupal seems to like a min of 32-64MB for the php.ini file. Disk space is 56% not that big a deal.
If I pay the $150 setup fee, I can reduce the monthly cost to $25/month more then I pay now. So my question is, is it worth it? Is it worth it if I get the funding on monthly going?
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