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Re: [PATCH v2 4/5] Patch the CHRP boot script

On 11/22/2017 11:18 AM, John Paul Adrian Glaubitz wrote:
On 11/22/2017 09:26 AM, Frank Scheiner wrote:
attached are the results for ofpathname on my p5 520Q. One thing to notice is, that although I added three additional HDDs in slots 2, 3 and 4, the first disk (in slot 1) ended up as /dev/sda in the past (see earlier mail from me) but now
is/was /dev/sdb.
That's perfectly normal, the order in which devices are recognized by the kernel is not fixed. This also applies to block devices and which is why you should never rely on device names but use UUIDs instead to identify individual block
devices or partitions.

I actually knew of this, but wouldn't have expected this to happen on the same controller port with fixed SCSI IDs for each backplane slot. But after various reboots the ordering is pretty arbitrary. :-/

Another good reason for diskless operation. :-D


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