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Re: Raid0 questions

PostPosted: Fri Nov 02, 2007 7:20 pm
by DaddyX3
:D :D :D Thank you ccal!!!!! :D :D :D Thank you so much!!! that was great! I hope someday I will be as good at this as you. I hope I can help you out with something someday, doubt it'll be Ultimate Edition, but if I could that would be a good day for me :!:
ps- This should deffinately be put into the how-to's if you have time. If you don't, maybe I'll be able to make heads from tails of this craziness for you and do it on your behalf and PM ya with a draft? You've tought me alot, and now I can carry that with me, Thank You again :)

Re: Raid0 questions

PostPosted: Wed Nov 07, 2007 5:49 pm
by TheeMahn
2 X 500 GB Western Digital Raid Edition drives added (raid 0):

Code: Select all
Disk /dev/md0: 1000.2 GB, 1000210300928 bytes
2 heads, 4 sectors/track, 244191968 cylinders
Units = cylinders of 8 * 512 = 4096 bytes
Disk identifier: 0x00000000


Speed:
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/dev/md0:
 Timing buffered disk reads:  450 MB in  3.00 seconds = 149.81 MB/sec


All Drives:
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theemahn@SledgeHammer:$ sudo fdisk -l
[sudo] password for theemahn:

Disk /dev/sda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00088bf2

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1        9727    78132096   83  Linux
/dev/sda2   *        9728       30235   164730510    7  HPFS/NTFS
/dev/sda3           30236       30401     1333395   82  Linux swap / Solaris

Disk /dev/sdb: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00072f6d

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1               1       38913   312568641   83  Linux

Disk /dev/sdc: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x000e0ad6

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1               1       38913   312568641   83  Linux

Disk /dev/sdd: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00088183

   Device Boot      Start         End      Blocks   Id  System
/dev/sdd1               1       60801   488384001   83  Linux

Disk /dev/sde: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xfed7339e

   Device Boot      Start         End      Blocks   Id  System
/dev/sde1               1       60801   488384001   83  Linux

Disk /dev/md0: 1000.2 GB, 1000210300928 bytes
2 heads, 4 sectors/track, 244191968 cylinders
Units = cylinders of 8 * 512 = 4096 bytes
Disk identifier: 0x00000000


Tossing XFS to the raid 0...

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[  487.340000] md: bind<sdd1>
[  487.344000] md: bind<sde1>
[  487.368000] md: raid0 personality registered for level 0
[  487.368000] md0: setting max_sectors to 128, segment boundary to 32767
[  487.368000] raid0: looking at sde1
[  487.368000] raid0:   comparing sde1(488383936) with sde1(488383936)
[  487.368000] raid0:   END
[  487.368000] raid0:   ==> UNIQUE
[  487.368000] raid0: 1 zones
[  487.368000] raid0: looking at sdd1
[  487.368000] raid0:   comparing sdd1(488383936) with sde1(488383936)
[  487.368000] raid0:   EQUAL
[  487.368000] raid0: FINAL 1 zones
[  487.368000] raid0: done.
[  487.368000] raid0 : md_size is 976767872 blocks.
[  487.368000] raid0 : conf->hash_spacing is 976767872 blocks.
[  487.368000] raid0 : nb_zone is 1.
[  487.368000] raid0 : Allocating 4 bytes for hash.
[  834.076000] Filesystem "md0": Disabling barriers, not supported by the underlying device
[  834.096000] XFS mounting filesystem md0
[  834.216000] Ending clean XFS mount for filesystem: md0


320's are next after it is all backed up...