When booting, I get 12 error messages similar to the following (three groups of four, each group with a different “start” value and corresponding minor device)
> Jul 24 03:40:08 small kernel: device-mapper: table: 254:1: adding target > device sda1 caused an alignment inconsistency: physical_block_size=4096, > logical_block_size=512, alignment_offset=0, start=33553920 Can anyone tell me what it means and what I should do about it? Thanks! Rick ============================ Information that might be useful: > rbthomas@small:~$ lsblk > NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT > sda 8:0 0 931.5G 0 disk > `-sda1 8:1 0 931.5G 0 part > |-small-swap 254:0 0 10G 0 lvm [SWAP] > |-small-root 254:1 0 30G 0 lvm / > `-small-home 254:2 0 100G 0 lvm /home > mmcblk2 179:0 0 3.7G 0 disk > |-mmcblk2p1 179:1 0 512M 0 part /boot/efi > `-mmcblk2p2 179:2 0 2G 0 part /boot > rbthomas@small:~$ sudo gdisk -l /dev/sda > GPT fdisk (gdisk) version 1.0.3 > > Partition table scan: > MBR: protective > BSD: not present > APM: not present > GPT: present > > Found valid GPT with protective MBR; using GPT. > Disk /dev/sda: 1953525168 sectors, 931.5 GiB > Model: nal USB 3.0 > Sector size (logical/physical): 512/4096 bytes > Disk identifier (GUID): F040A793-41E6-46E6-9147-FED15A526294 > Partition table holds up to 128 entries > Main partition table begins at sector 2 and ends at sector 33 > First usable sector is 34, last usable sector is 1953525134 > Partitions will be aligned on 2048-sector boundaries > Total free space is 2014 sectors (1007.0 KiB) > > Number Start (sector) End (sector) Size Code Name > 1 2048 1953525134 931.5 GiB 8E00 Linux LVM > rbthomas@small:~$ > rbthomas@small:~$ sudo lvdisplay > --- Logical volume --- > LV Path /dev/small/root > LV Name root > VG Name small > LV UUID brZiAH-bjpQ-ThUf-cx20-qTNc-uHuL-dcNrA6 > LV Write Access read/write > LV Creation host, time grml, 2018-07-23 02:10:20 -0700 > LV Status available > # open 1 > LV Size 30.00 GiB > Current LE 7680 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 254:1 > > --- Logical volume --- > LV Path /dev/small/swap > LV Name swap > VG Name small > LV UUID UyLz6P-ooDS-hixd-D40U-EHEn-j2ss-xSEHay > LV Write Access read/write > LV Creation host, time grml, 2018-07-23 02:10:52 -0700 > LV Status available > # open 2 > LV Size 10.00 GiB > Current LE 2560 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 254:0 > > --- Logical volume --- > LV Path /dev/small/home > LV Name home > VG Name small > LV UUID qMdtCI-DOBG-G1tK-ur04-mLHX-nccd-vPWPEH > LV Write Access read/write > LV Creation host, time grml, 2018-07-23 02:11:12 -0700 > LV Status available > # open 1 > LV Size 100.00 GiB > Current LE 25600 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 254:2 > > rbthomas@small:~$ > rbthomas@small:~$ sudo pvdisplay -v > Wiping internal VG cache > Wiping cache of LVM-capable devices > --- Physical volume --- > PV Name /dev/sda1 > VG Name small > PV Size 931.51 GiB / not usable 32.69 MiB > Allocatable yes > PE Size 4.00 MiB > Total PE 238459 > Free PE 202619 > Allocated PE 35840 > PV UUID 4PuUWe-01xm-mtQE-nEtt-HSXZ-ZRyd-uZypdH > rbthomas@small:~$ sudo vgdisplay > --- Volume group --- > VG Name small > System ID > Format lvm2 > Metadata Areas 1 > Metadata Sequence No 5 > VG Access read/write > VG Status resizable > MAX LV 0 > Cur LV 3 > Open LV 3 > Max PV 0 > Cur PV 1 > Act PV 1 > VG Size 931.48 GiB > PE Size 4.00 MiB > Total PE 238459 > Alloc PE / Size 35840 / 140.00 GiB > Free PE / Size 202619 / 791.48 GiB > VG UUID SFb0ZB-EeSj-jYmd-F6FJ-7Jdh-imsH-v688ZZ > >