RL wrote: > Hi, > > Does ZFS flag blocks as bad so it knows to avoid using them in the future? > > During testing I had huge numbers of unrecoverable checksum errors, which I > resolved by disabling write caching on the disks.
Were the errors logged during writes, or during reads? Can you share the error messages (ASC/ASCQ)? Can you tell us what the hardware was so that we can avoid buying it? -- richard > After doing this, and confirming the errors had stopped occuring, I removed > the test files. A few seconds after removing the test files, I noticed the > used space dropped from 16GB to 11GB according to 'df', but it did not appear > to ever drop below this value. > > Is this just normal file system overhead (This is a raidz with 8x 500GB > drives), or has ZFS not freed some of the space allocated to bad files? > > If ZFS is holding on to this space because it thinks it might be bad, is > there a way to tell it that it is okay to use it? > > I am using ZFS on FreeBSD, which from what I've read has had minimal > modification done to the source to make it work on that platform. > Unfortunately my hardware for booting with is not supported by Solaris, which > is where the majority of experience with ZFS is at this point. > > Thanks! > > > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
