> Let's see the output of "cat /proc/mdstat". The raid status is as follows. No problem appears.
# cat /proc/mdstat Personalities : [raid1] md2 : active raid1 sdb3[1] sda3[0] 232623424 blocks super 1.2 [2/2] [UU] bitmap: 1/2 pages [4KB], 65536KB chunk md1 : active raid1 sdb2[1] sda2[0] 523264 blocks super 1.2 [2/2] [UU] md0 : active raid1 sdb1[1] sda1[0] 16759808 blocks super 1.2 [2/2] [UU] > Further, you say "disk states are healthy", but you don't SHOW US > that. So we have no wya to know by what means you have determined > that the "disk states are healthy" and no way to know what further > to suggest to you in that area. -% Sda: === START OF INFORMATION SECTION === Model Family: Crucial/Micron BX/MX1/2/3/500, M5/600, 1100 SSDs Device Model: Crucial_CT256MX100SSD1 Serial Number: 14300CC6CD95 LU WWN Device Id: 5 00a075 10cc6cd95 Firmware Version: MU02 User Capacity: 256.060.514.304 bytes [256 GB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: Solid State Device Form Factor: 2.5 inches Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2, ATA8-ACS T13/1699-D revision 6 SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Wed Aug 24 07:53:15 2022 +03 SMART support is: Available - device has SMART capability. SMART support is: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED -% sdb === START OF INFORMATION SECTION === Model Family: Crucial/Micron BX/MX1/2/3/500, M5/600, 1100 SSDs Device Model: Crucial_CT256MX100SSD1 Serial Number: 14300CC6C22B LU WWN Device Id: 5 00a075 10cc6c22b Firmware Version: MU02 User Capacity: 256.060.514.304 bytes [256 GB] Sector Sizes: 512 bytes logical, 4096 bytes physical Rotation Rate: Solid State Device Form Factor: 2.5 inches Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2, ATA8-ACS T13/1699-D revision 6 SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Wed Aug 24 07:53:34 2022 +03 SMART support is: Available - device has SMART capability. SMART support is: Enabled === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED Andy Smith <a...@strugglers.net>, 23 Ağu 2022 Sal, 23:08 tarihinde şunu yazdı: > > Hi Testler, > > On Tue, Aug 23, 2022 at 10:43:46PM +0300, Testler Test wrote: > > > Read the device that contains the data, /dev/mdX. Or add your new drive > > > to the RAID, wait for synchronization, then remove it. > > > > Postgresql is installed on the system. Disk states are healthy. > > However, the tables in the database are giving an error. I can't get a > > backup. Error while backing up. > > You didn't mention anything about damage in your original email, > even though filesystem or device error seems to be your primary > problem. So that was a very unhelpful way for you to start out. > > The next entirely unhelpful thing you did was to say there is an > error without showing us the exact text of that error. > > Further, you say "disk states are healthy", but you don't SHOW US > that. So we have no wya to know by what means you have determined > that the "disk states are healthy" and no way to know what further > to suggest to you in that area. > > You are making it very hard for anyone to help you. > > Let's see some of these error texts. > > Let's see the output of "smartctl -A" for every device in your > RAIDs. > > Let's see the output of "cat /proc/mdstat". > > Then we might be able to get you closer to your goal of being able > to back up the postgres tables you have in a database that is stored > on an MD array. If that is indeed your goal. > > There might be further questions. > > Cheers, > Andy > > -- > https://bitfolk.com/ -- No-nonsense VPS hosting >