diff options
| -rw-r--r-- | lib/libzfs/libzfs_pool.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c index 4b4d81f7b..311def6b6 100644 --- a/lib/libzfs/libzfs_pool.c +++ b/lib/libzfs/libzfs_pool.c @@ -672,10 +672,12 @@ zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp) * Don't start the slice at the default block of 34; many storage * devices will use a stripe width of 128k, other vendors prefer a 1m * alignment. It is best to play it safe and ensure a 1m alignment - * give 512b blocks. When the block size is larger by a power of 2 - * we will still be 1m aligned. + * given 512B blocks. When the block size is larger by a power of 2 + * we will still be 1m aligned. Some devices are sensitive to the + * partition ending alignment as well. */ -#define NEW_START_BLOCK 2048 +#define NEW_START_BLOCK 2048 +#define PARTITION_END_ALIGNMENT 2048 /* * Validate the given pool name, optionally putting an extended error message in @@ -3786,6 +3788,7 @@ zpool_label_disk(libzfs_handle_t *hdl, zpool_handle_t *zhp, char *name) if (start_block == MAXOFFSET_T) start_block = NEW_START_BLOCK; slice_size -= start_block; + slice_size = P2ALIGN(slice_size, PARTITION_END_ALIGNMENT); vtoc->efi_parts[0].p_start = start_block; vtoc->efi_parts[0].p_size = slice_size; |