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/dev/sda randomly swaps with /dev/sdc {CLosed]

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lospala
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/dev/sda randomly swaps with /dev/sdc {CLosed]

#1 Post by lospala »

Hi
Testing Debian12 RC4
Main disk SDD 120gb partitioned 73gb gb for home and 43gb for system files usually shown as /dev/sda/
Two twin 4gb SATA HDD assigned as /dev/sdb and /dev/sdc both in ext4 format only used to store pictures

For some weird and unknown reason the 120gb diskj swaps and is mounted as /dev/sdb1 while one of the SATA is mounted as /dev/sda
No record appears in the event as error about disks. This is a random behaviour and the three disks are stated in fstab by its uuid.


Below you can see how names have changed


administrador@debian:~$ sudo fdisk -l
[sudo] contraseña para administrador:
Disco /dev/sda: 3,64 TiB, 4000787030016 bytes, 7814037168 sectores
Modelo de disco: WDC WD40PURZ-85T
Unidades: sectores de 1 * 512 = 512 bytes
Tamaño de sector (lógico/físico): 512 bytes / 4096 bytes
Tamaño de E/S (mínimo/óptimo): 4096 bytes / 4096 bytes
Tipo de etiqueta de disco: gpt
Identificador del disco: DDE633A3-CA21-4AF8-8ACB-AC7FFDE2D47C

Disposit. Comienzo Final Sectores Tamaño Tipo
/dev/sda1 2048 7814035455 7814033408 3,6T Sistema de ficheros de Linux


Disco /dev/sdb: 111,79 GiB, 120034123776 bytes, 234441648 sectores
Modelo de disco: KINGSTON SV300S3
Unidades: sectores de 1 * 512 = 512 bytes
Tamaño de sector (lógico/físico): 512 bytes / 512 bytes
Tamaño de E/S (mínimo/óptimo): 512 bytes / 512 bytes
Tipo de etiqueta de disco: dos
Identificador del disco: 0x000e4b01

Disposit. Inicio Comienzo Final Sectores Tamaño Id Tipo
/dev/sdb1 2048 143359999 143357952 68,4G 83 Linux
/dev/sdb2 * 143360000 234440703 91080704 43,4G 83 Linux


Disco /dev/sdc: 3,64 TiB, 4000787030016 bytes, 7814037168 sectores
Modelo de disco: WDC WD40PURZ-85T
Unidades: sectores de 1 * 512 = 512 bytes
Tamaño de sector (lógico/físico): 512 bytes / 4096 bytes
Tamaño de E/S (mínimo/óptimo): 4096 bytes / 4096 bytes
Tipo de etiqueta de disco: gpt
Identificador del disco: FF27175D-B800-4A55-9CFE-6DA9AB9B2EA7

Disposit. Comienzo Final Sectores Tamaño Tipo
/dev/sdc1 2048 7814035455 7814033408 3,6T Sistema de ficheros de Linux
administrador@debian:~$

Later pm
=======



administrador@debian:~$ sudo fdisk -l
[sudo] contraseña para administrador:
Disco /dev/sdb: 3,64 TiB, 4000787030016 bytes, 7814037168 sectores
Modelo de disco: WDC WD40PURZ-85T
Unidades: sectores de 1 * 512 = 512 bytes
Tamaño de sector (lógico/físico): 512 bytes / 4096 bytes
Tamaño de E/S (mínimo/óptimo): 4096 bytes / 4096 bytes
Tipo de etiqueta de disco: gpt
Identificador del disco: DDE633A3-CA21-4AF8-8ACB-AC7FFDE2D47C

Disposit. Comienzo Final Sectores Tamaño Tipo
/dev/sdb1 2048 7814035455 7814033408 3,6T Sistema de ficheros de Linux


Disco /dev/sda: 111,79 GiB, 120034123776 bytes, 234441648 sectores
Modelo de disco: KINGSTON SV300S3
Unidades: sectores de 1 * 512 = 512 bytes
Tamaño de sector (lógico/físico): 512 bytes / 512 bytes
Tamaño de E/S (mínimo/óptimo): 512 bytes / 512 bytes
Tipo de etiqueta de disco: dos
Identificador del disco: 0x000e4b01

Disposit. Inicio Comienzo Final Sectores Tamaño Id Tipo
/dev/sda1 2048 143359999 143357952 68,4G 83 Linux
/dev/sda2 * 143360000 234440703 91080704 43,4G 83 Linux


Disco /dev/sdc: 3,64 TiB, 4000787030016 bytes, 7814037168 sectores
Modelo de disco: WDC WD40PURZ-85T
Unidades: sectores de 1 * 512 = 512 bytes
Tamaño de sector (lógico/físico): 512 bytes / 4096 bytes
Tamaño de E/S (mínimo/óptimo): 4096 bytes / 4096 bytes
Tipo de etiqueta de disco: gpt
Identificador del disco: FF27175D-B800-4A55-9CFE-6DA9AB9B2EA7

Disposit. Comienzo Final Sectores Tamaño Tipo
/dev/sdc1 2048 7814035455 7814033408 3,6T Sistema de ficheros de Linux
administrador@debian:~$


Any help will be appreciated.
Still thinking that divorcing Ubuntu is a bad idea :D
Regards
Last edited by lospala on 2023-06-05 19:47, edited 2 times in total.

Random_Troll
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Re: /dev/sda randomly swaps with /dev/sdc

#2 Post by Random_Troll »

lospala wrote: 2023-06-05 19:24For some weird and unknown reason the 120gb diskj swaps and is mounted as /dev/sdb1 while one of the SATA is mounted as /dev/sda
That is the expected behaviour. To force a drive to use a specific block device see viewtopic.php?t=154787. That thread was recent so you would have found it if you had bothered searching.
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lospala
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Re: /dev/sda randomly swaps with /dev/sdc

#3 Post by lospala »

you're right. thank you
Disorder consists of arranging certain elements so that they do not suggest known geometric shapes to the observer.

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