https://bugzilla.novell.com/show_bug.cgi?id=840413
https://bugzilla.novell.com/show_bug.cgi?id=840413#c6
--- Comment #6 from Shirish Pargaonkar 2013-10-02 18:56:05 UTC ---
I can't recreate this problem. I could create a filesysetem using
-E discard option on a raid5 device and mount it.
cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4] [raid1]
md0 : active raid5 mybdrv5[5] mybdrv4[3] mybdrv3[2] mybdrv2[1] mybdrv1[0]
1046528 blocks super 1.2 level 5, 512k chunk, algorithm 2 [5/5] [UUUUU]
unused devices: <none>
/dev/md0 on /mnt/mdmntpt type ext3 (rw)
These are all five ramdisks.
Is there any error/data logged in either /var/log/messages or /var/log/syslog
during mke2fs with -E discard?
Looking in the code around BLKDISCARD!
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