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| author | Richard W.M. Jones <rjones@redhat.com> | 2011-11-24 14:39:10 +0000 |
|---|---|---|
| committer | Richard W.M. Jones <rjones@redhat.com> | 2011-11-24 14:42:26 +0000 |
| commit | c4381dba737d5cb8aad8e1b2e2123b0fcaff1d1a (patch) | |
| tree | d45d43946425933514af3550ee68d67a17b21da4 | |
| parent | 7b192f5a672197ad67ac23501e420c674aa2f3a9 (diff) | |
| download | libguestfs-c4381dba737d5cb8aad8e1b2e2123b0fcaff1d1a.tar.gz libguestfs-c4381dba737d5cb8aad8e1b2e2123b0fcaff1d1a.tar.xz libguestfs-c4381dba737d5cb8aad8e1b2e2123b0fcaff1d1a.zip | |
part-disk: Change default alignment of this to 64K (128 sectors).
This is the minimum alignment. 1MB would be better.
Note that the exact behaviour is not defined in the API.
| -rw-r--r-- | daemon/parted.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/daemon/parted.c b/daemon/parted.c index dbcae032..0d229484 100644 --- a/daemon/parted.c +++ b/daemon/parted.c @@ -184,15 +184,16 @@ do_part_disk (const char *device, const char *parttype) return -1; } - /* Align all partitions created this way to 64 sectors, and leave - * the last 64 sectors at the end of the disk free. This wastes - * 32K+32K = 64K on 512-byte sector disks. The rationale is: + /* Align all partitions created this way to 128 sectors, and leave + * the last 128 sectors at the end of the disk free. This wastes + * 64K+64K = 128K on 512-byte sector disks. The rationale is: * * - aligned operations are faster + * - absolute minimum recommended alignment is 64K (1M would be better) * - GPT requires at least 34 sectors at the end of the disk. */ - const char *startstr = "64s"; - const char *endstr = "-64s"; + const char *startstr = "128s"; + const char *endstr = "-128s"; RUN_PARTED (return -1, device, |