Displaying 2 results from an estimated 2 matches for "allow_mixed_block_sizes".
2020 Mar 24
2
Building a NFS server with a mix of HDD and SSD (for caching)
...ing drives are in a RAID-6 array. They are 4K sector size.
The SSDs are in RAID-1 array and with a 512bytes sector size.
I want to use the SSDs as a cache using dm-cache. So here what I've done
so far:
/dev/sdb ==> SSD raid1 array
/dev/sdd ==> spinning raid6 array
I've added "allow_mixed_block_sizes = 1" to lvm.conf to be able to add
sdb and sdd in the same VG (because of the sector size missmatch). But
as the LVs will only use one and only one PV I guess it's OK.
# lvcreate -L 500M -n lv_cache_meta VGnfs /dev/sdb
# lvcreate -l +100%FREE -n lv_cache VGnfs /dev/sdb
# lvconvert --typ...
2020 Mar 24
0
Building a NFS server with a mix of HDD and SSD (for caching)
...2bytes sector size.
>
>
> I want to use the SSDs as a cache using dm-cache. So here what I've done
> so far:
> /dev/sdb ==> SSD raid1 array
> /dev/sdd ==> spinning raid6 array
Looks like you're using a hardware raid controller, right?
>
> I've added "allow_mixed_block_sizes = 1" to lvm.conf to be able to add
> sdb and sdd in the same VG (because of the sector size missmatch). But
> as the LVs will only use one and only one PV I guess it's OK.
>
> # lvcreate -L 500M -n lv_cache_meta VGnfs /dev/sdb
> # lvcreate -l +100%FREE -n lv_cache VGnfs /dev...