Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 06/07/2012 02:13 AM, Charles Tree wrote: > Hello, > > I try to shrink a drbd device online. The documentation says: > > "To shrink DRBD on-line, issue the following command *after* you have > shrunk the file system residing on top of it: > > # drbdadm resize --size=<new-size> <resource> > > You may use the usual multiplier suffixes for *<new-size>* (K, M, G etc.). > After you have shrunk DRBD, you may also shrink the containing block device > (if it supports shrinking)." > > cat /proc/drbd > version: 8.4.1 (api:1/proto:86-100) > GIT-hash: 91b4c048c1a0e06777b5f65d312b38d47abaea80 build by root at somehost, > 2012-03-18 09:32:17 > > <snip> > 2: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----- > ns:0 nr:0 dw:0 dr:3588 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0 > <snip> > > drbdadm -V > DRBDADM_BUILDTAG=GIT-hash:\ 91b4c048c1a0e06777b5f65d312b38d47abaea80\ > build\ by\ root at somehost\,\ 2012-03-18\ 09:32:08 > DRBDADM_API_VERSION=1 > DRBD_KERNEL_VERSION_CODE=0x080401 > DRBDADM_VERSION_CODE=0x080401 > DRBDADM_VERSION=8.4.1 > > fdisk -l /dev/drbd2 > > Disk /dev/drbd2: 78.4 GB, 78380724224 bytes > 255 heads, 63 sectors/track, 9529 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > Sector size (logical/physical): 512 bytes / 512 bytes > I/O size (minimum/optimal): 512 bytes / 512 bytes > Disk identifier: 0xa97119f5 > > Device Boot Start End Blocks Id System > > No partitions at all, no filesystem either, as this is just a test for the > real resize of a live system. > > The problem: > > # drbdadm resize --size=60G r2 > drbdadm: unrecognized option '--size' > try 'drbdadm help resize' > > 'drbdadm help resize' doesn't mention --size as possible option Oops, thanks for bringing this to our attention we'll have that fixed soon. > > I'd like to know how can I shrink my drbd device. This should work for the time being. drbdadm -- --size=60G resize r2 -- Devin Vance LINBIT | "Your Way to High Avialability" 1-503-573-1262 | 1-877-4-LINBIT Web: http://www.linbit.com