AIX jfs filesystem
Next message: Bill Verzal: "Re: AIX jfs filesystem"
Date: Mon, 29 Mar 2004 14:46:32 -0600
To: aix-l@Princeton.EDU
Let say I have ten LUNs on 10 separate 8-packs on the shark. Each LUN is
50GB. Do the two options below give me the same I/O performance?
a) 10 filesystems, 50GB/fs, every fs stripped across all 10 LUNs
b) 1 filesystem, 500GB/fs, fs stripped across all 10 LUNs
Joseph
Next message: Bill Verzal: "Re: AIX jfs filesystem"
Relevant Pages
- Re: LVM lesson
... color=#0000ff size=2>From a data protection point of view, it does not matter how you combine your 15GB LUNs together to make filesystems. ... All will be RAID5 so they should have that level of protection. ... you would have to be careful how you allocate "drives" to your LVs so that one copy is on each seperated Shark. ... Although each LUN may represent part of 8 drives, across the whole VG you might have as many as 40 or more physical drives of the Shark being accessed. ... (AIX-L) - Re: LVM lesson
... LUNS are being presented from. ... you would have to be careful how you allocate "drives" to your LVs so that one copy is on each seperated Shark. ... Although each LUN may represent part of 8 drives, across the whole VG you might have as many as 40 or more physical drives of the Shark being accessed. ... Striping at 64k means every 64k of the LV gets put on a seperate drive/LUN. ... (AIX-L) - Re: LVM lesson
... across ESS luns- avoid striping across luns from the same ESS ... you would have to be careful how you allocate "drives" to your LVs so that one copy is on each seperated Shark. ... Although each LUN may represent part of 8 drives, across the whole VG you might have as many as 40 or more physical drives of the Shark being accessed. ... Striping at 64k means every 64k of the LV gets put on a seperate drive/LUN. ... (AIX-L) - Re: IBM ESS (Shark) connectivity on a RedHat AS 2.1
... >> configured array and zoned the switch so that 8 LUNs should be visible ... > Can you see all the LUNS in the BIOS. ... An unfortunate side effect of the way the Linux ... access the Shark quite well; we have several production RHAS systems doing ... (linux.redhat) - Re: IBM ESS (Shark) connectivity on a RedHat AS 2.1
... >> configured array and zoned the switch so that 8 LUNs should be visible ... > Can you see all the LUNS in the BIOS. ... An unfortunate side effect of the way the Linux ... access the Shark quite well; we have several production RHAS systems doing ... (comp.os.linux.hardware) |
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