Wol & Roger, et al -- ...and then antlists said... % % On 05/04/2021 12:30, Roger Heflin wrote: % >> diskfarm:~ # grep /mnt/ssd /etc/fstab % >> LABEL=diskfarm-ssd /mnt/ssd xfs defaults 0 0 % >> % >>will work for my bitmap files target, since all I see is that it must be % >>an ext2 or ext3 (not ext4? old news?) device. % % Bear in mind you're better off using a journal (and bitmaps and % journals are incompatible). A journal of the filesystem (XFS or ReiserFS) on the RAID5 device? Or a journal of the actual md? diskfarm:~ # df -kh /mnt/4Traid5md/ /mnt/750Graid5md/ Filesystem Size Used Avail Use% Mounted on /dev/md0p1 11T 11T 309G 98% /mnt/4Traid5md /dev/md127p1 1.4T 1.4T 14G 100% /mnt/750Graid5md diskfarm:~ # mount | grep /dev/md /dev/md0p1 on /mnt/4Traid5md type xfs (rw,relatime,attr2,inode64,logbufs=8,logbsize=32k,sunit=1024,swidth=2048,noquota) /dev/md127p1 on /mnt/750Graid5md type reiserfs (rw,relatime) % ... % >I am about to do some array reworks to go from all 3tb disks to start % >using some 6tb disks. If the file was pre-allocated I would not ... % > % Umm... don't use all the space on your 6TB disks. I'm planning to % build my arrays on dm-integrity, which will make raid 5 a bit more % trustworthy. [snip] Oooh, something else to learn :-) I hope to go from 4 drives to 6 when I do, and I'll be buying the best GB/$ at the time, but it will also be a grow-over-time thing. Thanks again & HAND :-D -- David T-G See http://justpickone.org/davidtg/email/ See http://justpickone.org/davidtg/tofu.txt
