On Thu, 09/13 16:29, yuchen...@synology.com wrote: > From: yuchenlin <yuchen...@synology.com> > > There is a rare case which the size of last compressed cluster > is larger than the cluster size, which will cause the file is > not aligned at the sector boundary. > > There are three reasons to do it. First, if vmdk doesn't align at > the sector boundary, there may be many undefined behaviors, > such as, in vbox it will show VMDK: Compressed image is corrupted > 'syno-vm-disk1.vmdk' (VERR_ZIP_CORRUPTED) when we try to import an > ova with unaligned vmdk. Second, all the cluster_sector is aligned > to sector, the last one should be like this, too. Third, it ease > reading with sector based I/Os. > > Signed-off-by: yuchenlin <yuchen...@synology.com>
Reviewed-by: Fam Zheng <f...@redhat.com>
