[PVE-User] Shared SAN <> ZFS concept

[PVE-User] Shared SAN <> ZFS concept

[Tonči Stipičević]

Hello to all

a new customer of mine has shared san storage connected to two hosts 
(XEN cluster at the moment). The plan is to migrate to Proxmox, but I'm 
using mostly ZFS concept and HA clusters w/o shared (SAN) storage , and 
my head point/feature  is ZFS storage replication .

Now I'm wandering is there any possibility to take advantage of this SAN 
storage in the "ZFS world"?    I'm afraid not , but still hoping ...   I 
really like feature zfs-storage-repl which means that VMs can be very 
quckly ready on another host/cluster (w/o need for backup/restore option)

But, SAN storage by itself is already redundant though ...

Thank very much in advance for your opinions/advices

BR

Tonci

srdačan pozdrav / best regards

Tonči Stipičević, dipl. ing. elektr.
direktor / manager

SUMA Informatika d.o.o., Badalićeva 27, OIB 93926415263

Podrška / Upravljanje IT sustavima za male i srednje tvrtke
Small & Medium Business IT Support / Management

mob: 091 1234003
www.suma-informatika.hr

Re: [PVE-User] Shared SAN <> ZFS concept

[Kyle Schmitt]

For what it's worth, I did have proxmox setup at work with a dedicated
box providing LVM lvs as iSCSI, and mdadm-raid6 underneath.    It
worked OK, but the added complexity is more trouble than it's worth.
My current work doesn't use proxmox, but my personal setup right now
is ZFS RAIDZ2 on SSDs, shared on a seperate network via NFS to my 3
proxmox hosts.

--Kyle

On Thu, Aug 18, 2022 at 2:50 AM Michael Rasmussen via pve-user
<pve-user@lists.proxmox.com> wrote:
>
>
>
>
> ---------- Forwarded message ----------
> From: Michael Rasmussen <mir@miras.org>
> To: pve-user@lists.proxmox.com
> Cc:
> Bcc:
> Date: Wed, 17 Aug 2022 18:36:21 +0200
> Subject: Re: [PVE-User] Shared SAN <> ZFS concept
> On Wed, 17 Aug 2022 07:39:22 +0200
> Tonči Stipičević <tonci@suma-informatika.hr> wrote:
>
> > Now I'm wandering is there any possibility to take advantage of this
> > SAN storage in the "ZFS world"?    I'm afraid not , but still hoping
> > ...   I really like feature zfs-storage-repl which means that VMs can
> > be very quckly ready on another host/cluster (w/o need for
> > backup/restore option)
> >
> > But, SAN storage by itself is already redundant though ...
> >
> > Thank very much in advance for your opinions/advices
> >
>
> You could look at the zfs-over-iscsi provided the SAN is cable of:
> 1) Using ZFS as filesystem
> 2) Exposing volumes as LUN's
> 3) Running SSHD
>
> It is not a shareable filesystem like NFS but more like a disk for a
> specific VM which can be accessed from a number of Proxmox nodes but
> only allowing access from a specific Proxmox node at any given time.
>
> --
> Hilsen/Regards
> Michael Rasmussen
>
> Get my public GnuPG keys:
> michael <at> rasmussen <dot> cc
> https://pgp.key-server.io/pks/lookup?search=0xD3C9A00E
> mir <at> datanom <dot> net
> https://pgp.key-server.io/pks/lookup?search=0xE501F51C
> mir <at> miras <dot> org
> https://pgp.key-server.io/pks/lookup?search=0xE3E80917
> --------------------------------------------------------------
>
> 'During times of universal deceit, telling the truth becomes a
> revolutionary act.' -George Orwell
>
> /usr/games/fortune -es says:
> Not that I have anything much against redundancy.  But I said that
> already. -- Larry Wall in <199702271735.JAA04048@wall.org>
>
>
>
> ---------- Forwarded message ----------
> From: Michael Rasmussen via pve-user <pve-user@lists.proxmox.com>
> To: pve-user@lists.proxmox.com
> Cc: Michael Rasmussen <mir@miras.org>
> Bcc:
> Date: Wed, 17 Aug 2022 18:36:21 +0200
> Subject: Re: [PVE-User] Shared SAN <> ZFS concept
> _______________________________________________
> pve-user mailing list
> pve-user@lists.proxmox.com
> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user

Re: [PVE-User] PVE 7.2.-14 LXC boot problem

[Tonči Stipičević]

That's it ! ... Thank  you

srdačan pozdrav / best regards

Tonči Stipičević, dipl. ing. elektr.
direktor / manager

SUMA Informatika d.o.o., Badalićeva 27, OIB 93926415263

Podrška / Upravljanje IT sustavima za male i srednje tvrtke
Small & Medium Business IT Support / Management

mob: 091 1234003
www.suma-informatika.hr

On 18. 11. 2022. 22:42, Jack Raats wrote:
> Logon your proxmox server and install binutils using
>
> apt install binutils
>
> That solved the problem on my proxmox server
>
> Gr.,
> Jack Raats
>
>
>
> Op 18-11-2022 om 21:23 schreef Tonči Stipičević:
>> Hello to all,
>> after today's upgrade from 7.2-11 to 7.2.14 LXC's won't boot
>>
>> run_buffer: 321 Script exited with status 2
>> lxc_init: 847 Failed to run lxc.hook.pre-start for container "109"
>> __lxc_start: 2008 Failed to initialize container "109"
>> TASK ERROR: startup for container '109' failed
>>
>> lxc-start 109 20221118200745.382 INFO confile - 
>> ../src/lxc/confile.c:set_config_idmaps:2267 - Read uid map: type u 
>> nsid 0 hostid 100000 range 65536
>> lxc-start 109 20221118200745.382 INFO confile - 
>> ../src/lxc/confile.c:set_config_idmaps:2267 - Read uid map: type g 
>> nsid 0 hostid 100000 range 65536
>> lxc-start 109 20221118200745.383 INFO lsm - 
>> ../src/lxc/lsm/lsm.c:lsm_init_static:38 - Initialized LSM security 
>> driver AppArmor
>> lxc-start 109 20221118200745.383 INFO conf - 
>> ../src/lxc/conf.c:run_script_argv:337 - Executing script 
>> "/usr/share/lxc/hooks/lxc-pve-prestart-hook" for container "109", 
>> config section "lxc"
>> lxc-start 109 20221118200747.295 DEBUG conf - 
>> ../src/lxc/conf.c:run_buffer:310 - Script exec 
>> /usr/share/lxc/hooks/lxc-pve-prestart-hook 109 lxc pre-start produced 
>> output: objdump on /lib/systemd/systemd failed: open3: exec of 
>> objdump -p /var/lib/lxc/109/rootfs/lib/systemd/systemd failed: No 
>> such file or directory at /usr/share/perl5/PVE/Tools.pm line 455.
>>
>> lxc-start 109 20221118200747.321 ERROR conf - 
>> ../src/lxc/conf.c:run_buffer:321 - Script exited with status 2
>> lxc-start 109 20221118200747.321 ERROR start - 
>> ../src/lxc/start.c:lxc_init:847 - Failed to run lxc.hook.pre-start 
>> for container "109"
>> lxc-start 109 20221118200747.321 ERROR start - 
>> ../src/lxc/start.c:__lxc_start:2008 - Failed to initialize container 
>> "109"
>> lxc-start 109 20221118200747.321 INFO conf - 
>> ../src/lxc/conf.c:run_script_argv:337 - Executing script 
>> "/usr/share/lxcfs/lxc.reboot.hook" for container "109", config 
>> section "lxc"
>> lxc-start 109 20221118200747.827 INFO conf - 
>> ../src/lxc/conf.c:run_script_argv:337 - Executing script 
>> "/usr/share/lxc/hooks/lxc-pve-poststop-hook" for container "109", 
>> config section "lxc"
>> lxc-start 109 20221118200749.635 DEBUG conf - 
>> ../src/lxc/conf.c:run_buffer:310 - Script exec 
>> /usr/share/lxc/hooks/lxc-pve-poststop-hook 109 lxc post-stop produced 
>> output: umount: /var/lib/lxc/.pve-staged-mounts/mp0: not mounted.
>>
>> lxc-start 109 20221118200749.636 DEBUG conf - 
>> ../src/lxc/conf.c:run_buffer:310 - Script exec 
>> /usr/share/lxc/hooks/lxc-pve-poststop-hook 109 lxc post-stop produced 
>> output: command 'umount -- /var/lib/lxc/.pve-staged-mounts/mp0' 
>> failed: exit code 32
>>
>> lxc-start 109 20221118200749.737 ERROR lxc_start - 
>> ../src/lxc/tools/lxc_start.c:main:306 - The container failed to start
>> lxc-start 109 20221118200749.738 ERROR lxc_start - 
>> ../src/lxc/tools/lxc_start.c:main:311 - Additional information can be 
>> obtained by setting the --logfile and --logpriority options
>>
>>
>> Host restart, restore from bck , ... nothing helps
>>
>> so take caution ....
>>
>> srdačan pozdrav / best regards
>>
>> Tonči Stipičević, dipl. ing. elektr.
>> direktor / manager
>>
>> SUMA Informatika d.o.o., Badalićeva 27, OIB 93926415263
>>
>> Podrška / Upravljanje IT sustavima za male i srednje tvrtke
>> Small & Medium Business IT Support / Management
>>
>> mob: 091 1234003
>> www.suma-informatika.hr
>>
>> _______________________________________________
>> pve-user mailing list
>> pve-user@lists.proxmox.com
>> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user

Re: [PVE-User] password failure

[CFS]

Hey guys I am Proxmox v7.2.11(I think). I can't get logged in all of the 
sudden the last 2 days with a password I have been logging in with for 
over 1 year now. Yesterday I wanted to delete 2 VMs and rebuild them I 
went to login and nothing:

I am however able to login to the server with ssh via root and the 
password for root. YEs I can manage it via cli but the whole reason I 
install Proxmox was to use the GUI. Please can someone point me in the 
right direction I have been searching for 2 days now literally off and 
on for hours.

Thanks guys,
-- 
*Michael Cooper*
Linux Certified
Docker/Kubernetes Professional
Raspberry Pi Enthusiast
RPi Hobby Blog <”https://www.coopfire.com”>
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Hi, did You check the login environment, when You login your proxmox by gui
check that You are in Linux pam, because You have proxmox ve authentication
and Linux pam.



El dom, 20 de nov de 2022, 5:37 a. m., CFS <mcooper@coopfire.com> escribi=
=C3=B3:

> Hey guys I am Proxmox v7.2.11(I think). I can't get logged in all of the
> sudden the last 2 days with a password I have been logging in with for
> over 1 year now. Yesterday I wanted to delete 2 VMs and rebuild them I
> went to login and nothing:
>
> I am however able to login to the server with ssh via root and the
> password for root. YEs I can manage it via cli but the whole reason I
> install Proxmox was to use the GUI. Please can someone point me in the
> right direction I have been searching for 2 days now literally off and
> on for hours.
>
> Thanks guys,
> --
> *Michael Cooper*
> Linux Certified
> Docker/Kubernetes Professional
> Raspberry Pi Enthusiast
> RPi Hobby Blog <=E2=80=9Dhttps://www.coopfire.com=E2=80=9D>
> _______________________________________________
> pve-user mailing list
> pve-user@lists.proxmox.com
> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>

Re: [PVE-User] password failure

[Bennet Gallein]

Hey,


I sometimes forget to select the "Linux PAM standard authentication" 
realm on the login-screen so the Proxmox VE authentication server is 
selected. Maybe that's your issue?

Otherwise you can always tail journalctl to see if any errors appear there.


Best Regards,

Bennet


On 20.11.22 10:36, CFS wrote:
> Hey guys I am Proxmox v7.2.11(I think). I can't get logged in all of 
> the sudden the last 2 days with a password I have been logging in with 
> for over 1 year now. Yesterday I wanted to delete 2 VMs and rebuild 
> them I went to login and nothing:
>
> I am however able to login to the server with ssh via root and the 
> password for root. YEs I can manage it via cli but the whole reason I 
> install Proxmox was to use the GUI. Please can someone point me in the 
> right direction I have been searching for 2 days now literally off and 
> on for hours.
>
> Thanks guys,

-- 
Bennet Gallein
https://bennetgallein.de
Elbinger Str. 18, 21339 Lueneburg, Germany
USt-IdNr.: DE320525917

Re: [PVE-User] 8.2.2 - limited cluster functionality

[Mark Schouten via pve-user]

[-- Attachment #1: Type: message/rfc822, Size: 5529 bytes --]

From: "Mark Schouten" <mark@tuxis.nl>
To: "Proxmox VE user list" <pve-user@lists.proxmox.com>, "PVE User List" <pve-user@pve.proxmox.com>
Subject: Re: [PVE-User] 8.2.2 - limited cluster functionality
Date: Wed, 01 May 2024 20:54:24 +0000
Message-ID: <em65b22363-a51f-4931-9246-737ef8c1acf1@9b0b2e4d.com>

Hi,

You need three nodes for a cluster. With two nodes, and a reboot of one 
of the two, the remaining node has no quorum and will do nothing.

Best solution is to get a third node, or external vote support : 
https://pve.proxmox.com/pve-docs/pve-admin-guide.html#_corosync_external_vote_support

Also, check the shutdown policy: 
https://pve.proxmox.com/pve-docs/pve-admin-guide.html#ha_manager_shutdown_policy

Good luck!

—
Mark Schouten
CTO, Tuxis B.V.
+31 318 200208 / mark@tuxis.nl


------ Original Message ------
From "Tonči Stipičević" <tonci@suma-informatika.hr>
To "PVE User List" <pve-user@pve.proxmox.com>
Date 01/05/2024, 22:36:49
Subject [PVE-User] 8.2.2 - limited cluster functionality

>Hello to all,
>
>I've installed PVE cluster (ver 8.2.2) , two nodes : pve01 / pve02 put in HA group G1
>
>Every VM has "started" state ..   When i.e. PVE02 node  restarts , it's VMs are not being migrated to PVE01 node, but they get in "freeze" state in stead of being (online) migrated to PVE01 node ... Syslog messages are "shutting down"
>
>  ....  VMs are started again just after PVE02 node boots up ... So , real downtime can be experienced
>
>Otherwise , manual online migration works correctly (zfs storage replication)
>
>  Could somebody check this ?
>
>Thank you very much in advance
>
>BR
>
>
>Tonci
>
>srdačan pozdrav / best regards
>
>Tonči Stipičević, dipl. ing. elektr.
>direktor / manager
>
>SUMA Informatika d.o.o., Badalićeva 27, OIB 93926415263
>
>Podrška / Upravljanje IT sustavima za male i srednje tvrtke
>Small & Medium Business IT Support / Management
>
>mob: 091 1234003
>www.suma-informatika.hr
>
>
>
>_______________________________________________
>pve-user mailing list
>pve-user@lists.proxmox.com
>https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user

[-- Attachment #2: Type: text/plain, Size: 157 bytes --]

_______________________________________________
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Re: [PVE-User] 8.2.2 - limited cluster functionality

[Mark Schouten via pve-user]

[-- Attachment #1: Type: message/rfc822, Size: 5756 bytes --]

From: "Mark Schouten" <mark@tuxis.nl>
To: "Proxmox VE user list" <pve-user@lists.proxmox.com>, "PVE User List" <pve-user@pve.proxmox.com>
Subject: Re: [PVE-User] 8.2.2 - limited cluster functionality
Date: Wed, 01 May 2024 20:54:24 +0000
Message-ID: <em65b22363-a51f-4931-9246-737ef8c1acf1@9b0b2e4d.com>

Hi,

You need three nodes for a cluster. With two nodes, and a reboot of one 
of the two, the remaining node has no quorum and will do nothing.

Best solution is to get a third node, or external vote support : 
https://pve.proxmox.com/pve-docs/pve-admin-guide.html#_corosync_external_vote_support

Also, check the shutdown policy: 
https://pve.proxmox.com/pve-docs/pve-admin-guide.html#ha_manager_shutdown_policy

Good luck!

—
Mark Schouten
CTO, Tuxis B.V.
+31 318 200208 / mark@tuxis.nl


------ Original Message ------
From "Tonči Stipičević" <tonci@suma-informatika.hr>
To "PVE User List" <pve-user@pve.proxmox.com>
Date 01/05/2024, 22:36:49
Subject [PVE-User] 8.2.2 - limited cluster functionality

>Hello to all,
>
>I've installed PVE cluster (ver 8.2.2) , two nodes : pve01 / pve02 put in HA group G1
>
>Every VM has "started" state ..   When i.e. PVE02 node  restarts , it's VMs are not being migrated to PVE01 node, but they get in "freeze" state in stead of being (online) migrated to PVE01 node ... Syslog messages are "shutting down"
>
>  ....  VMs are started again just after PVE02 node boots up ... So , real downtime can be experienced
>
>Otherwise , manual online migration works correctly (zfs storage replication)
>
>  Could somebody check this ?
>
>Thank you very much in advance
>
>BR
>
>
>Tonci
>
>srdačan pozdrav / best regards
>
>Tonči Stipičević, dipl. ing. elektr.
>direktor / manager
>
>SUMA Informatika d.o.o., Badalićeva 27, OIB 93926415263
>
>Podrška / Upravljanje IT sustavima za male i srednje tvrtke
>Small & Medium Business IT Support / Management
>
>mob: 091 1234003
>www.suma-informatika.hr
>
>
>
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