[CentOS] using CentOS as an iSCSI server?
rswwalker at gmail.com
Thu Oct 22 00:39:12 UTC 2009
On Oct 21, 2009, at 11:43 AM, John R Pierce <pierce at hogranch.com> wrote:
>> Say, I had 4 devices with 500 GB drives exported using iSCSI. If a
>> single larger server
>> took those four iSCSI export drives, and created one md RAID 5
>> could a single
>> server be turned off, and just degrade the array until it was either
>> replaced entirely
>> or brought back online?
> how long would it take to replicate and rebuild a volume across the
> via iscsi? if each of those slices was 500GB, you'd be reading 3 x
> 500GB and writing 500GB before the drive was resynched. note, a
> drive on each storage controller in this scenario won't even achieve
> 1gigE speeds.
Worthy of testing just to see how it performs, but I definitely would
stick with raid6 or 10 here.
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