This seems suboptimal. Basically this is a 750G thin volume. I don't
have a plain partition on a device handy to try this out but I'm
pretty certain the default is 4 AG's in that case, so I'm confused why
by default 33 AGs are created on a thin volume. The LVM volume group
is on a dmcrypt PV.
xfsprogs-4.15.1-1.fc28.x86_64
lvm2-2.02.177-5.fc28.x86_64
kernel-4.17.11-200.fc28.x86_64
[chris@f28s ~]$ sudo lvdisplay 4vg/nukeit
--- Logical volume ---
LV Path /dev/4vg/nukeit
LV Name nukeit
VG Name 4vg
LV UUID T21akN-RZeV-CfpZ-br70-6A1e-IkFI-VYOhNj
LV Write Access read/write
LV Creation host, time f28s.local, 2018-07-31 19:28:21 -0600
LV Pool name 4pool
LV Status available
# open 0
LV Size 750.00 GiB
Mapped size 0.00%
Current LE 192000
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 253:10
[chris@f28s ~]$ sudo mkfs.xfs /dev/mapper/4vg-nukeit
meta-data=/dev/mapper/4vg-nukeit isize=512 agcount=33, agsize=6143872 blks
= sectsz=4096 attr=2, projid32bit=1
= crc=1 finobt=1, sparse=0,
rmapbt=0, reflink=0
data = bsize=4096 blocks=196608000, imaxpct=25
= sunit=128 swidth=1024 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal log bsize=4096 blocks=96000, version=2
= sectsz=4096 sunit=1 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
[chris@f28s ~]$
--
Chris Murphy
--
To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
