Does it matter if the /dev names of the partitions change (i.e. from /
dev/dsk/c2t2250CC611005d3s0 to another machine not using sun hba
drivers with a different/shorter name??)
thanks
keith
If the file does not exist than ZFS will not attempt to open any
pools at boot. You must issu
Folks,
If I have a mirrored configuration, I can add hot spares to the pool
and if a mirror should fail, zfs will automatically replace the
failed drive with one of the hot spares. Is this correct?
keith
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Folks,
Would it be wise to buy 2 jbod box and place one side of the mirror
on each one? Would that make sense?
Also, we are looking at SATA to FC to hook into our san. Any
comments/admonitions/advice?
keith
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On Oct 1, 2006, at 11:24 PM, Anton B. Rang wrote:
I was perhaps slightly hasty; RAID-5 is more efficient than a 2-
disk mirror for reads, but RAID-10 (striping & mirroring) can match
(or slightly exceed) its efficiency for small reads. In both cases,
there is a single disk accessed.
With
In a raid config, you can have hot spares in case a drive goes back.
Is replacing a mirror the only way to do similar?
keith
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Folks,
I've heard that for small reads/writes (like a mailstore), mirroring
is preferred to raiding. Can some explain why or direct me to that
info? I assumed that raidzn would be the preferred method but
apparently not.
thanks,
keith
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Folks,
Let's say you have a box that dies with zfs filesystems from a san on
them (a mirror config) and so you can't export the fs. Can you move
the fs to a new box? How so?
keith
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On Sep 29, 2006, at 2:41 AM, Roch wrote:
IMO, RAIDZn should perform admirably on the write loads.
The random reads aspects is more limited. The simple rule of
thumb is to consider that a RAIDZ group will deliver random
read IOPS with the performance characteristic of single
device. That rul
Folks,
We are in the process of purchasing new san/s that our mail server
runs on (JES3). We have moved our mailstores to zfs and continue to
have checksum errors -- they are corrected but this improves on the
ufs inode errors that require system shutdown and fsck.
So, I am recommending
