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7200 Rpm HDD Vs. 10k Rpm HDD Performance


How much faster is a 10k rpm HDD vs a 7200 rpm HDD in a server environment?

IMO, a 7200 rpm HDD is much faster than 5400 rpm HDD when it comes down to desktop PCs..

Just wondering if it's worth upgrading to a 10k rpm HDD from a 7200 rpm HDD and losing about 1TB of storage as well...

(Comparing specifically 2 750GB 16mb cache 7200rpm SATA 2 HDD RAID 1 with 2 150GB 16mb cache 10krpm HDD in RAID 1)


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CPU: 2 x Intel Xeon E5410 Quad-Core 2.33GHz, 12MB Cache, 1333MHz FSB, 45nmHi-k
RAM: 12GB (6 x 2GB) DDR2-667 Registered ECC - Interleaved
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hdc: status timeout: status=0xd0 { Busy }
ide: failed opcode was: unknown
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ide1: reset: success
hdc: status timeout: status=0xd0 { Busy }
ide: failed opcode was: unknown
hdc: no DRQ after issuing MULTWRITE_EXT
ide1: reset: success
hdc: status timeout: status=0xd0 { Busy }
ide: failed opcode was: unknown
hdc: no DRQ after issuing MULTWRITE_EXT
ide1: reset: success

Motherboard manual

[url]

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i tried to go to BIOS and change to AHCI but server doest recognize the drive

[url]

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??

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... smartd[2493]: Device: /dev/sda, 5 Currently unreadable (pending) sectors
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Code:
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1 Raw_Read_Error_Rate 0x000f 118 093 006 Pre-fail Always - 195271338
3 Spin_Up_Time 0x0003 094 094 000 Pre-fail Always - 0
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5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 0
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189 Unknown_Attribute 0x003a 100 100 000 Old_age Always - 0
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195 Hardware_ECC_Recovered 0x001a 067 049 000 Old_age Always - 145805438
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Machine freezes several times a day.

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Code:
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255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

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[root@server-210-245-124-170 ~]#

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Can I have a list of hosting providers that are equipped with SAS drives. Shared and Reseller hosts.

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HDD Setup (not Raid Related)
I have a question regarding, hard drives and performance etc... I only use it for forums and currently is only one site (hopefully couple more in no time)

Currently I have 2x36gb SAS in raid 1 obviously containing everything including dbs and /home. and a third 250gb drive for backups only ^^ Ronny did an excelent job setting this up.

Any ways, my problem is that I wan't to allow some attachments on my forums, and this would take a significant ammount of space over 1gb no problem and then keep increasing (that's gonna sux for bandwidth). I know it will fit in the SAS drives no problems, dbs are rather small at the time (2.5gb in total) but logs are quite big 5-10gbs in total.

I thought it might be a good idea to purchase another drive. This 4th drive would be 750 and backups would move there , and use the 250 for the /home directory. This would give a lot of room for uploads, and backups accordingly and keep the fast ones for OS and dbs

I was told, however, and understandebly, that a lot of performance would be lost by moving /home to a SATA drive I know SATAS are no way as fast, but then vbulletin can't upload attach files to a folder outside its hirachy (without complicated modifications).
(Note: i didn't specify my resons for wanting such set up)

So I'm in a bit of a pickle. Having the bigger drive would allow me to have the attachments, and should eventually result on more traffic etc to my site. /home currently is only 150mbs big... but then performance is also an issue pitty i couldn't afford the bigger drices at the time [sees the point of renting over buydowns now]

is there a way that /var/log/httpd saves those massive logs on another drive? it would free up 5-10gbs

in shortIs moving /home to a SATA drive from Raid 1 SAS a bad idea? (considering space and purpose)

Could httpd logs or /var/log in general be moved to the backup/another drive?

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My CPanel Server Hdd Just Crash
I reboot my cpanel server twice last night and it had crash

I am now running e2fsck and it's trying to fix the inode thing.. i've been pressing <y> 10000 times! Poor thing my fingers cramp

I've been thinking to mount my primary drive into another cpanel server (not a fresh server) as secondary drive and restore from there. The question is how? I need detailed steps by steps as it's urgent for me..

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To Encrypt HDD And Disable RAID
as i encrypt one HDD in linux debian and as i can disable RAID option in same SO per SSH?

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Report Error For Hdd Of Whm
whm take one error report to me

S.M.A.R.T Errors on /dev/sda
From Command: /usr/sbin/smartctl -q errorsonly -H -l selftest -l error /dev/sda
Please note the following marginal Attributes:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
190 Unknown_Attribute 0x0022 056 044 045 Old_age Always In_the_past 44
----END /dev/sda--

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Cpanel Install And HDD Partition
I have a server without cpanel and it have this partition details :

Code:
server-rescue / # df -h
Filesystem Size Used Avail Use% Mounted on
192.168.0.1:/nfsroot/gentoo
228G 134G 82G 63% /
none 1.9G 56K 1.9G 1% /mnt/unionfs/etc
none 230G 134G 84G 62% /etc
none 1.9G 720K 1.9G 1% /mnt/unionfs/var
none 230G 134G 84G 62% /var
none 1.9G 0 1.9G 0% /mnt/unionfs/root
none 230G 134G 84G 62% /root
none 1.9G 4.0K 1.9G 1% /tmp
udev 1.9G 160K 1.9G 1% /dev
shm 1.9G 0 1.9G 0% /dev/shm
/dev/sda2 226G 28G 187G 13% /mnt/sysimage

what I can do for this partition before start Cpanel Install?

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Secure Delete Data On HDD
we've just moved to a new server and was wondering if there was any programs to secure erase all data on the hard drive on the old server (with centOS), as we don't want anyone else who get this harddrive to be able to recover any data.

I'm not that familiar with the file systems used by linux, so perhaps this isn't a problem. Just had to ask.

We use some DoD "approved" applications to remove sensitive data on NTFS partitions on our stationary computers, but couldn't find anything for *nix.

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How Do I Install With RPM To Install Dependencies Also
to installing linux software and have been beating my head for a couple of days. I just learned that I can use something on my CENTOS 5 - which is the same as RHEL 5 - to install the rpm and all dependencies.

Numeric-24.2-1.i586.rpm is the rpm I want to install, if that matters.

How can I do install it AND any dependencies?

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Get A HDD Partitioned To Allow Me To Install Hypervm With Xen
i would need to get a HDD partitioned to allow me to install hypervm with xen. For example what way would you recomment i partition an 80GB HDD.

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Western Digital Caviar Green HDD
Are there anyone using those WD Green Power HDD? Do you suffer performance loss because it doesnt always spinning at max speed 7200 rpm?

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Use 2nd HDD For Software RAID Or MySQL
Use 2nd HDD for Software RAID or MySQL?

I'm considering a dedicated server with an Intel P4 2.4Ghz processor and 2x160gb HDD.
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I intend to do a fair amount of database queries so I was wondering whether it would be better to use the second harddisk for a software RAID-1 (assuming the processor and bus is up to it!) or for something else like storing the MySQL databases leaving the first harddisk free for the OS/files.

how best to use the second harddisk?

Does anyone happen to know roughly what the overhead of software RAID-1 is on a P4 2.4Ghz processor?

For example if I'm doing a basic query on an indexed table of 3 million records, roughly every second, each query returning a dataset of 30 records? Incidentally PHP would be doing basic list comparisons and then occasionally doing a single insert statement adding from 1 to 30 new records, so PHP will use a little processor/memory also. Running the same queries on my old laptop (A Pentium M 1.7Ghz using a 4200rpm HDD) takes a fraction of a second, about 0.25 seconds if I remember correctly, so it's fairly well optimized.

Although slightly outside my budget, how much better would a Athlon X2 dual core system be for this?

I'm considering this setup as an alternative to a Hybrid VPS typically running on a xeon quad core with RAID-10. Presumably the dedicated server would give me better performance because it uses a hardisk which is probably only twice as fast but serving 7 or more other customers, and it doesnt have the VM wrapper around the processor core impacting performance either. Though handling the RAID-1 in software might offset that.

Anyone had experience with this?

Also, one benefit of the Hybrid VPS systems I've seen is they allow the system to be rebooted. This dedicated system doesn't allow me to reboot the server at will - I have to submit a support ticket each time. Would this be a problem generally or is it a non-issue?

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Mounting Hard Drive (HDD) In CentOS 5
so my provider setup my HDD's wrong (i believe).

Filesystem Size Used Avail Use% Mounted on
/dev/sda2 9.7G 5.7G 3.6G 62% /
/dev/sda5 215G 608M 204G 1% /var
/dev/sda1 99M 16M 78M 17% /boot
tmpfs 1013M 0 1013M 0% /dev/shm
/usr/tmpDSK 485M 14M 447M 3% /tmp

the problem is that I have /dev/sda5 mounted to var. I want cPanel to use this HDD as the main storage for the /home directory. How do I make cPanel use this hdd for storage?

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