diff options
| author | Prasanna Kumar Kalever <prasanna.kalever@redhat.com> | 2017-06-12 11:59:13 +0530 |
|---|---|---|
| committer | Prasanna Kumar Kalever <prasanna.kalever@redhat.com> | 2017-06-22 16:30:46 +0530 |
| commit | 94c79620db4451bf804d6ab631c9ca59759dbc21 (patch) | |
| tree | ee5c0e9430fb30812753ac1911bd8b5c163cb5fd /docs | |
| parent | 8bb5dd787e84f719940230adb24642653fcaec77 (diff) | |
block: add support to prealloc = full | no option
currently we allocate sparse files for block backends in the gluster
volume, with 'prealloc = full' option introduced by this patch we should
be able to fully preallocate the backend block file.
Change-Id: Ibf32df5f978f732a3fd248693170463da6d08268
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/gluster-block.8 | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/docs/gluster-block.8 b/docs/gluster-block.8 index 83cfdf3..05f86c9 100644 --- a/docs/gluster-block.8 +++ b/docs/gluster-block.8 @@ -25,15 +25,18 @@ Note that the gluster-blockd daemon is responsible for block management, hence t .SH COMMANDS .SS -\fBcreate\fR <VOLNAME/NEW-BLOCKNAME> [ha <COUNT>] [auth enable|disable] <HOST1[,HOST2,..]> <BYTES> +\fBcreate\fR <VOLNAME/NEW-BLOCKNAME> [ha <COUNT>] [auth <enable|disable>] [prealloc <full|no>] <HOST1[,HOST2,..]> <BYTES> create block device. .TP [ha <COUNT>] multipath requirement for high availability (default: 1) .TP -[auth enable|disable] +[auth <enable|disable>] authentication setting (default: disable) .TP +[prealloc <full|no>] +"full" mode preallocates space by writing zeros to storage. (default: no) +.TP <HOST1,[HOST2....]> servers in the pool where targets will be exported. .TP @@ -82,6 +85,9 @@ To create a block device of size 1GiB To create a block device of size 1GiB with auth enable .B # gluster-block create blockVol/sampleBlock auth enable ${HOST} 1GiB +To create a block device of size 1GiB, by preallocating storage with zero fill +.B # gluster-block create blockVol/sampleBlock prealloc full ${HOST} 1GiB + To create a block device of size 1GiB with multi-path(replica) 3 .B # gluster-block create blockVol/sampleBlock ha 3 ${HOST1},${HOST2},${HOST3} 1GiB |