hello all,
i am a little new to zfs so please excuse my ignorance. i have a poweredge
2950 running Nevada B82 with an Apple Xraid attached over a fiber hba. they
are formatted to JBOD with the pool configured as follows:
NAME STATE READ WRITE CKSUM
tpool4 ONLINE 0 0 0
raidz1 ONLINE 0 0 0
c3t60003930000150E6d6 ONLINE 0 0 0
c2t6000393000014A52d0 ONLINE 0 0 0
c3t60003930000150E6d5 ONLINE 0 0 0
raidz1 ONLINE 0 0 0
c2t6000393000014A52d1 ONLINE 0 0 0
c3t60003930000150E6d4 ONLINE 0 0 0
c2t6000393000014A52d2 ONLINE 0 0 0
raidz1 ONLINE 0 0 0
c3t60003930000150E6d3 ONLINE 0 0 0
c2t6000393000014A52d3 ONLINE 0 0 0
c3t60003930000150E6d2 ONLINE 0 0 0
logs ONLINE 0 0 0
mirror ONLINE 0 0 0
c3t60003930000150E6d1 ONLINE 0 0 0
c2t6000393000014A52d5 ONLINE 0 0 0
spares
c2t6000393000014A52d4 AVAIL
c2t6000393000014A52d6 AVAIL
c3t60003930000150E6d0 AVAIL
i have a filesystem (tpool4/seplog) shared over nfs. creating files locally
seems to be fine but writing files over nfs seem to be extremely slow. on one
of the clients(os x) it reports over 3hours to copy a 500MB file.
also during the copy when i issue a zpool iostat -v 5 the response time
increases for the command.
i have also noticed that none of the led's on the drives flicker.
would someone be able to point in the right direction? any help is
appreciated. thanx in advance.
cheers,
abs
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