Pehea wau e nānā ai i kahi disk no ka mālama ʻana ma Linux?

Contents

Pehea wau e nānā hou ai i kahi disk ma Linux?

When Adding a New Disk

Hiki iā ʻoe ke hana i kēia me kēia kauoha: echo “- – -” > /sys/class/scsi_host/hostX/scan.
..…
ʻO ke ala maʻalahi aʻu i ʻike ai, ʻo ia ka nānā hou ʻana i ka hāmeʻa kikoʻī me kēia kauoha: echo “1” > /sys/class/block/sdX/device/rescan.
..

21 юл. 2015 г.

How do you scan detect new LUNs on Linux?

E hahai i nā ʻanuʻu ma lalo e nānā i ka LUN hou ma OS a laila ma multipath.

E nānā hou i nā pūʻali SCSI: # no ka mea hoʻokipa ma 'ls /sys/class/scsi_host' hana echo ${host}; echo “- – -” > /sys/class/scsi_host/${host}/scan hana.
Hoʻopuka i ka LIP i nā mea hoʻokipa FC:…
E holo hou i ka palapala mai sg3_utils:

Pehea wau e nānā ai i kahi waihona hou ma Linux me ka ʻole o ka reboot system?

No ka ʻimi ʻana i nā diski FC LUNS a me SCSI hou ma Linux, hiki iā ʻoe ke hoʻohana i ke kauoha echo script no ka scan manual ʻaʻole pono e hoʻomaka hou ka ʻōnaehana. Akā, mai Redhat Linux 5.4 ma luna, ua hoʻokomo ʻo Redhat i /usr/bin/rescan-scsi-bus.sh script e nānā i nā LUN āpau a hoʻonui i ka papa SCSI e hōʻike i nā mea hou.

Pehea wau e nānā hou ai i nā polokalamu multipath ma Linux?

No ka ʻimi ʻana i nā LUN hou ma ka pūnaewele, e hoʻopau i kēia mau ʻanuʻu:

Hoʻohou i ka mea hoʻokele HBA ma ka hoʻokomo ʻana a i ʻole ka hoʻonui ʻana i nā faila sg3_utils-*. …
E hōʻoia i ka hiki ʻana o DMMP.
E hōʻoia ʻaʻole i kau ʻia nā LUNS e pono e hoʻonui ʻia a ʻaʻole hoʻohana ʻia e nā noi.
Holo sh rescan-scsi-bus.sh -r .
Holo multipath -F .
Holo multipath .

Pehea wau e hoʻonui ai i kahi diski ma ka mīkini virtual Linux?

Hoʻonui i nā ʻāpana ma nā mīkini virtual Linux VMware

E pani i ka VM.
Kaomi pololei i ka VM a koho i ka Edit Settings.
E koho i ka pā paʻakikī āu e makemake ai e hoʻonui.
Ma ka ʻaoʻao ʻākau, e hana i ka nui i hoʻolako ʻia e like me ka nui āu e makemake ai.
Kaomi OK.
Mana ma ka VM.
Hoʻohui i ka laina kauoha o ka Linux VM ma o ka console a i ʻole kau putty.
E ʻeʻe ma ke ʻano he kumu.

1 юл. 2012 г.

How do I find drives in Linux?

E ʻike kākou i nā kauoha āu e hoʻohana ai e hōʻike i ka ʻike disk ma Linux.

df. ʻO ke kauoha df ma Linux paha kekahi o nā mea maʻamau. …
fdisk. ʻO fdisk kekahi koho maʻamau ma waena o nā sysops. …
lsblk. ʻOi aku ka maʻalahi o kēia akā hoʻokō i ka hana e like me ka papa inoa o nā mea poloka āpau. …
cfdisk. …
kaawale. …
sfdisk.

14 Ian. 2019

He aha ka Lun ma Linux?

I loko o ka waihona kamepiula, he helu hui pono, a i ʻole LUN, he helu i hoʻohana ʻia no ka ʻike ʻana i kahi ʻāpana logical, ʻo ia ka mea i ʻōlelo ʻia e ka protocol SCSI a i ʻole nā protocol Storage Area Network e hoʻopili ai i ka SCSI, e like me Fiber Channel a iSCSI.

Ma hea kahi diski iSCSI ma Linux?

anuu

E hoʻokomo i kēia kauoha e ʻike i ka pahuhopu iSCSI: iscsiadm –mode discovery –op update –type sendtargets –portal targetIP. …
E hoʻokomo i kēia kauoha e hana i nā mea pono āpau: iscsiadm –mode node -l all. …
E hoʻokomo i kēia kauoha e ʻike i nā kau iSCSI ikaika: iscsiadm –mode session.

Pehea wau e nānā ai inā hoʻohana ʻia ka multipath ma Linux?

Hiki iā ʻoe ke hoʻohana i ke kauoha multipath ma ka Linux host e nānā i ka hoʻonohonoho DM-Multipath.
...
No ka nānā ʻana i nā hoʻonohonoho DM-Multipath e hoʻohana nei i kēia manawa ma kahi host Linux, pono ʻoe e holo i kēia mau kauoha:

Nā pūʻali RHEL6: multipathd show config.
Nā pūʻali RHEL5: multipathd -k”hōʻike config.
SLES11 pūʻali: multipathd hōʻike config.

Pehea ʻoe e ʻike ai inā he diski kūloko a i ʻole SAN disk ma Linux?

Re: Pehea e ʻike ai i nā disks kūloko a me nā disks SAN ma linux

ʻO kekahi ala ʻē aʻe e nānā i ka / sys filesystem. No ka ʻike ʻana pehea e pili ana /dev/sda i ka ʻōnaehana, holo "ls -l /sys/block/sda". Aia kahi "mea hana" symlink a ʻo ka papa kuhikuhi papa kuhikuhi lōʻihi e haʻi iā ʻoe i kahi e kuhikuhi ai ka symlink.

Pehea ka hana ʻana o Linux multipath?

Hiki i ka Multipathing ke hui pū ʻana o nā pilina kino he nui ma waena o kahi kikowaena a me kahi waihona mālama i hoʻokahi mea virtual. Hiki ke hana i kēia no ka hoʻolako ʻana i kahi pilina paʻa i kāu waihona (ʻaʻole e hoʻopilikia ke ala e iho ana i ka pilina), a i ʻole e hōʻuluʻulu i ka bandwidth waihona no ka hoʻomaikaʻi ʻana i ka hana.

Pehea e hoʻonui ai i ka nui LUN ma Linux?

Resizing a LUN:

Increase the size of the LUN on the SAN.
On the server, execute `echo 1 > /sys/block/sdX/device/rescan`.
Resize the MPIO map. a) On SLES11 or SLES12, use `multipathd -k’resize map <MPIO_MAP_NAME>’`

24 nov Dec 2020

Pehea wau e ʻike ai i ka LUN ID ma Linux?

no laila, ʻo ka hāmeʻa mua ma ke kauoha "ls -ld /sys/block/sd*/device" e pili ana i ka hiʻohiʻona mea mua ma ke kauoha "cat / proc/scsi/scsi" kauoha ma luna. ie Host: scsi2 Channel: 00 Id: 00 Lun: 29 like me 2:0:0:29. E nānā i ka ʻāpana i kaha ʻia ma nā kauoha ʻelua e hoʻopili ai. ʻO kekahi ala e hoʻohana ai i ke kauoha sg_map.