Raid5 Module In 2.6.18
Mar 22, 2007
I am trying to configure a 2.6.18 kernel and I cannot get it to read the raid5 module since my system is utilizing a software RAID5.
Whenever I build I receive the following error:
[root@localhost linux-2.6.18.8]# make install
sh /root/kernel/linux-2.6.18.8/arch/x86_64/boot/install.sh 2.6.18 arch/x86_64/boot/bzImage System.map "/boot"
WARNING: No module raid5 found for kernel 2.6.18, continuing anyway
I have tried versions 2.6.18 and 2.6.18.8 and both give me the same issue.
I have CONFIG_MD_RAID456=m in my .config so the module should be getting configured.
I tried ignoring the warning but when I boot up my system in 2.6.18 I get a kernel panic error, could not sync. (I'm guessing because it doesn't have the RAID module). Everything works fine when I boot up in the 2.6.9 CentOS kernel.
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Jul 21, 2009
i use Adaptec 2200s with three scsi HD to do raid,
it is install centos with cpanel.
after rebooting,it can not load into the raid5 well,
and shows no logical drivers... and no operation system found.
i try to add new hd,but it still do not build and run.
i think it may the raid5 configuation on the three HDs are missing are ger problem or it will not work at all.
i want to ask,if a use another three hds with the Adaptec 2200s to set another raid5.
and build another one server.
and i mount the old first one HD from the old raid5 and mount the new first one HD from the new raid5,
and copy the files from old ones to the new ones.
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Mar 1, 2007
Now I'm a little new to RAID5, I've always used RAID10 or RAID1, but I am looking into RAID5 for my new server.
Tell me which you think would be more beneficial, I know RAID10 is faster for writing and copying which is what is needed for SWAP but I also know that RAM is a lot faster than SWAP.
8GB RAM
2GB SWAP Partition
4x250GB RAID5
7GB RAM
3GB SWAP Partition
6x250GB RAID10
or
8GB RAM
2GB SWAP Partition
3x400GB RAID5
Is 3 drives or 4 drives faster in a RAID5? I know 4 drives would probably read faster but would copying and writing be slower?
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What do you feel is better for a typical shared/reseller hosting server?
RAID 1 or RAID 5 (with three drives)?
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Oct 19, 2007
How long it takes to rebuild RAID5 if one of failed disks was replaced? How long it takes to assume full performance again?
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Jun 10, 2008
I have a problem with performance on my server.
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When I migrated from RAID-1 to RAID-5 the performance droped dramatically. I have been reading different posts on internet that suggest to force HDD to work on 1.5 GB/s. On Supermicro support page there is a similar issue and support staff explain that ICH7R do not support SATA-II.
When I review specification on their web site, they typed that MB support 3.0 GB/s.
Does anyone have a similar server with a similar issue?
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Which to choose? RAID0, RAID1 or RAID5?
how can explain what is the best one and why?
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We are expanding our photo sharing business and are revising our Unix-based server architecture. We're looking to develop a standard server configuration so that we can easily add servers when necessary.
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Comparing the two architectures with similar storage sizes, the overall cost of the hardware itself is about the same, with the identical mirrored machines being slightly cheaper. The monthly co-location fees (rack, power, etc.) are higher for the NAS solution.
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May 14, 2007
I setup a Software RAID5 the following way:
/dev/sda:
1: /boot 101MB
2: software raid ALL
/dev/sdb
1: software raid ALL
/dev/sdc
1: software raid ALL
/dev/sdd
1: software raid ALL
/dev/md0: ext3 mounted as / for all of the software RAID partitions.
I was left to believe this would create redundancy as long as only one drive is removed from the array. Although when I unplug any of the hard drives (one at a time) I get input/output errors and when I try to reboot I get kernel sync errors.
What exactly am I doing wrong when trying to create redundancy? I know that SDA contains the /boot/ partition so it wouldn't boot without that but even if I unplug B,C, and D it still can't sync.
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Oct 4, 2008
Seems to be rather new, [url] and belongs to intergenia (server4you, plusserver)
4GB / 5000GB / Quad Opt. / HW Raid 1 2x250 for €79
8GB / 10000GB / 2x Quad Opt. / HW Raid 1 2x500 for €129
16GB / 15000GB / 2x Quad Opt. / HW Raid 5 3x500 for €179
Month-to-month, overage €0.19, Centos available.
Anyone have a server there?
If this were from hetzner.de I would be all over it...
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==================
HTTPD MODULES
==================
[root@xxx ~]# httpd -L
<Directory (core.c)
Container for directives affecting resources located in the specified directories
Allowed in *.conf only outside <Directory>, <Files> or <Location>
<Location (core.c)
Container for directives affecting resources accessed through the specified URL paths
Allowed in *.conf only outside <Directory>, <Files> or <Location>
<VirtualHost (core.c)
Container to map directives to a particular virtual host, takes one or more host addresses
Allowed in *.conf only outside <Directory>, <Files> or <Location>
<Files (core.c)
Container for directives affecting files matching specified patterns
Allowed in *.conf anywhere and in .htaccess
when AllowOverride isn't None
<Limit (core.c)
Container for authentication directives when accessed using specified HTTP methods
Allowed in *.conf anywhere and in .htaccess
when AllowOverride isn't None
<LimitExcept (core.c)
Container for authentication directives to be applied when any HTTP method other than those specified is used to access the resource
Allowed in *.conf anywhere and in .htaccess
when AllowOverride isn't None
<IfModule (core.c)
Container for directives based on existance of specified modules
Allowed in *.conf anywhere and in .htaccess
when AllowOverride isn't None
<IfDefine (core.c)
Container for directives based on existance of command line defines
Allowed in *.conf anywhere and in .htaccess
when AllowOverride isn't None
<DirectoryMatch (core.c)
Container for directives affecting resources located in the specified directories
Allowed in *.conf only outside <Directory>, <Files> or <Location>
<LocationMatch (core.c)
Container for directives affecting resources accessed through the specified URL paths
Allowed in *.conf only outside <Directory>, <Files> or <Location>
<FilesMatch (core.c)
Container for directives affecting files matching specified patterns
Allowed in *.conf anywhere and in .htaccess
when AllowOverride isn't None
AuthType (core.c)
An HTTP authorization type (e.g., "Basic")
Allowed in *.conf only inside <Directory>, <Files> or <Location> and in .htaccess
when AllowOverride includes AuthConfig
AuthName (core.c)
The authentication realm (e.g. "Members Only")
Allowed in *.conf only inside <Directory>, <Files> or <Location> and in .htaccess
when AllowOverride includes AuthConfig
Require (core.c)
Selects which authenticated users or groups may access a protected space
Allowed in *.conf only inside <Directory>, <Files> or <Location> and in .htaccess
when AllowOverride includes AuthConfig
Satisfy (core.c)
access policy if both allow and require used ('all' or 'any')
Allowed in *.conf only inside <Directory>, <Files> or <Location> and in .htaccess
when AllowOverride includes AuthConfig
AddDefaultCharset (core.c)
The name of the default charset to add to any Content-Type without one or 'Off' to disable
Allowed in *.conf anywhere and in .htaccess
when AllowOverride includes FileInfo
AcceptPathInfo (core.c)
Set to on or off for PATH_INFO to be accepted by handlers, or default for the per-handler preference
Allowed in *.conf anywhere and in .htaccess
when AllowOverride includes FileInfo
AccessFileName (core.c)
Name(s) of per-directory config files (default: .htaccess)
Allowed in *.conf only outside <Directory>, <Files> or <Location>
DocumentRoot (core.c)
Root directory of the document tree
Allowed in *.conf only outside <Directory>, <Files> or <Location>
ErrorDocument (core.c)
Change responses for HTTP errors
Allowed in *.conf anywhere and in .htaccess
when AllowOverride includes FileInfo
AllowOverride (core.c)
Controls what groups of directives can be configured by per-directory config files
Allowed in *.conf only inside <Directory>, <Files> or <Location>
Options (core.c)
Set a number of attributes for a given directory
Allowed in *.conf anywhere and in .htaccess
when AllowOverride includes Options
DefaultType (core.c)
the default MIME type for untypable files
Allowed in *.conf anywhere and in .htaccess
when AllowOverride includes FileInfo...
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Warning: Unknown iptable module: xt_NFQUEUE, skipped
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Code:
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Check it out:
[url]
I have nothing to do with it. Just passing it along.
What is veportal?
vePortal is a VPS Commanding total system control Web-Based system that utilizes PHP Hyper-Threading resulting in major acceleration over competing products, As long as your server can meet the recommended system requirements our control panel and your users will never wait for a page to load for longer than the average website.
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JCRISTY/PerlMagick-6.40.tar.gz
/usr/bin/make -- NOT OK
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