diff options
| -rw-r--r-- | block/vmdk.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/block/vmdk.c b/block/vmdk.c index 51067c774f..0f2e453bf5 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -426,10 +426,15 @@ static int vmdk_add_extent(BlockDriverState *bs, return -EFBIG; } if (l1_size > 512 * 1024 * 1024) { - /* Although with big capacity and small l1_entry_sectors, we can get a + /* + * Although with big capacity and small l1_entry_sectors, we can get a * big l1_size, we don't want unbounded value to allocate the table. - * Limit it to 512M, which is 16PB for default cluster and L2 table - * size */ + * Limit it to 512M, which is: + * 16PB - for default "Hosted Sparse Extent" (VMDK4) + * cluster size: 64KB, L2 table size: 512 entries + * 1PB - for default "ESXi Host Sparse Extent" (VMDK3/vmfsSparse) + * cluster size: 512B, L2 table size: 4096 entries + */ error_setg(errp, "L1 size too big"); return -EFBIG; } |