Hi On 04/27/2011 09:55 AM, Michael Weissenbacher wrote: > schrieb Stan Hoeppner: >> Benjamin Schindler put forth on 4/26/2011 2:44 PM: >>> Hi >> Also, slap yourself in the forehead at least 3 times for running your >> root filesystem on RAID 0. That's akin to riding a motorcycle, naked, >> in a blizzard, down a steep, winding, ice covered mountain road with no >> guard rails and a 3000 ft drop. ;) >> > If you are really adventurous and don't care about the data on your root > fs use the following mount options: > logbsize=256k,delaylog,nobarrier > > Personally i would only enable "nobarrier" on Server-Class hardware with > Battery Backup and proper UPS. But since you are using RAID-0 i suppose > you really don't care that much about the data on your root fs. Or stop using raid-0 all together. The performance gain is more than offset by the barriers and it seems using xfs on just a single disk would improve performance a lot more than using raid-0 (with disk failure risk) + risk of corruption due to disabled barriers... or am I missing something? > > Note that both logbsize and delaylog will only have effect on your root > fs if added to grub.conf (real_rootflags=) since remounting won't > activate them. Use "cat /proc/mounts" to see if these options were > really enabled. > > hth, > Michael > > _______________________________________________ > xfs mailing list > xfs@xxxxxxxxxxx > http://oss.sgi.com/mailman/listinfo/xfs _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
