On Sat, Sep 15, 2018 at 11:16:18AM +0200, Martin wrote:
> I suggest, you first have a look what you have in front of you:
>
> What does 'lshw -c disk' say?
*-disk
description: ATA Disk
product: SPCC Solid State
physical id: 0.0.0
bus info: scsi@0:0.0.0
logical name: /dev/sda
version: 12.2
serial: DA5A076408EE02778745
size: 111GiB (120GB)
capabilities: partitioned partitioned:dos
configuration: ansiversion=5 logicalsectorsize=512 sectorsize=512
signature=0003cf43
*-disk
description: ATA Disk
product: SM2246AA-5
physical id: 0.0.0
bus info: scsi@1:0.0.0
logical name: /dev/sdb
version: 0912
serial: (03)5526888-20080228
size: 1023MiB (1073MB)
configuration: ansiversion=5 logicalsectorsize=512 sectorsize=512
*-disk
description: ATA Disk
product: ESA3SMD2HSLB120G
physical id: 0.0.0
bus info: scsi@2:0.0.0
logical name: /dev/sdc
version: 4B
serial: E20150303710198
size: 111GiB (120GB)
configuration: ansiversion=5 logicalsectorsize=512 sectorsize=512
> What does 'hdparm -I [device]' say?
/dev/sdb:
ATA device, with non-removable media
Model Number: SM2246AA-5
Serial Number: (03)5526888-20080228
Firmware Revision: 20120912
Standards:
Supported: 9 8 7 6 5
Likely used: 9
Configuration:
Logical max current
cylinders 2080 1008
heads 16 16
sectors/track 63 63
--
CHS current addressable sectors: 15481935
LBA user addressable sectors: 2096640
Logical/Physical Sector size: 512 bytes
device size with M = 1024*1024: 7559 MBytes
device size with M = 1000*1000: 7926 MBytes (7 GB)
cache/buffer size = unknown
Capabilities:
LBA, IORDY(can be disabled)
Standby timer values: spec'd by Vendor
R/W multiple sector transfer: Max = 1 Current = 1
DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
Cycle time: min=120ns recommended=120ns
PIO: pio0 pio1 pio2 pio3 pio4
Cycle time: no flow control=120ns IORDY flow control=120ns
Commands/features:
Enabled Supported:
* Power Management feature set
* WRITE_BUFFER command
* READ_BUFFER command
* NOP cmd
* Gen1 signaling speed (1.5Gb/s)
* Gen2 signaling speed (3.0Gb/s)
Integrity word not set (found 0x0000, expected 0x4fa5)
> Do you have any SCSI and/or disk related errors in your kernel log?
Here are messages when disk is hot plugged:
[184170.852482] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[184170.852808] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND
(20160831/psargs-359)
[184170.852827] ACPI Error: Method parse/execution failed
[\_SB.PCI0.SAT0.PRT1._GTF] (Node ffff8a082a0e4960), AE_NOT_FOUND
(20160831/psparse-543)
[184170.852854] ata2.00: ATA-9: SM2246AA-5, 20120912, max UDMA/100
[184170.852858] ata2.00: 2096640 sectors, multi 1: LBA
[184170.853159] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND
(20160831/psargs-359)
[184170.853177] ACPI Error: Method parse/execution failed
[\_SB.PCI0.SAT0.PRT1._GTF] (Node ffff8a082a0e4960), AE_NOT_FOUND
(20160831/psparse-543)
[184170.853206] ata2.00: configured for UDMA/100
[184170.853219] ata2: EH complete
[184170.853527] scsi 1:0:0:0: Direct-Access ATA SM2246AA-5 0912
PQ: 0 ANSI: 5
[184170.892902] sd 1:0:0:0: [sdb] 2096640 512-byte logical blocks: (1.07
GB/1024 MiB)
[184170.892972] sd 1:0:0:0: [sdb] Write Protect is off
[184170.892976] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[184170.893006] sd 1:0:0:0: [sdb] Write cache: disabled, read cache: enabled,
doesn't support DPO or FUA
[184170.894076] sd 1:0:0:0: Attached scsi generic sg1 type 0
[184170.895638] sd 1:0:0:0: [sdb] Attached SCSI disk
> What does 'fdisk -l [device]' say?
Disk /dev/sdb: 1023.8 MiB, 1073479680 bytes, 2096640 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
>
> Martin
>
>
> Am 13.09.2018 um 23:16 schrieb Allen Hoover:
> > I have an SSD that has some serious issues. It contains files that
> > are fairly important to recover. The user had not done backups quite
> > recently.
> >
> > If I view the SSD in parted, it says unrecognized disk label, and the
> > size is shown as 1073MB instead of 120GB as it should.
> >
> > I have another SSD here that would have an identical partition table,
> > at 1 point it was an exact clone.
> >
> > There are multiple partitions, but the main one is the one with
> > important data, and it is an ext4 filesystem.
> >
> > Is there any hope of recovery?
> >
> > Please CC me, as I only subscribe to user digest mailing list.
> >
> > Thank You!
> >
