[Users] Error when trying to create a new ISO storage domain
--_84d40e63-2fba-48dd-8b16-7e7d22a9a18a_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi all=2C I am trying to define a new ISO storage domain. I go to System > Storage=2C= click on the "New Domain" link=2C and fill in the requisite fields. "Domai= n Function / Storage Type" drop is set to "ISO / NFS"=2C and I verified tha= t I have the proper NFS path to the export on the NFS server I want to use.= However=2C when I click the "OK" button=2C I am getting the following popu= p: -----Error while executing action Add Storage Connection: Permission settin= gs on the specified path do not allow access to the storage.Verify permissi= on settings on the specified storage path.----- I have verified that I can manually mount the NFS filesystem on the host de= fined in the "Use Host" drop [as root]=2C and I have looked in /var/log/mes= sages (on the mounting host=2C as well as the NFS server=2C and do not see = any errors... Please not that the NFS export is a pre-existing share on the= NFS server=2C and does contain pre-existing data (ISOs=2C etc.) How can I debug this? = --_84d40e63-2fba-48dd-8b16-7e7d22a9a18a_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <style><!-- .hmmessage P { margin:0px=3B padding:0px } body.hmmessage { font-size: 12pt=3B font-family:Calibri } --></style></head> <body class=3D'hmmessage'><div dir=3D'ltr'>Hi all=2C<div><br></div><div>I a= m trying to define a new ISO storage domain. I go to System >=3B Storage= =2C click on the "New Domain" link=2C and fill in the requisite fields. "Do= main Function / Storage Type" drop is set to "ISO / NFS"=2C and I verified = that I have the proper NFS path to the export on the NFS server I want to u= se. However=2C when I click the "OK" button=2C I am getting the following p= opup:<br><div><br></div><div>-----</div><div><div>Error while executing act= ion Add Storage Connection: Permission settings on the specified path do no= t allow access to the storage.</div><div>Verify permission settings on the = specified storage path.</div></div></div><div>-----</div><div><br></div><di= v>I have verified that I can manually mount the NFS filesystem on the host = defined in the "Use Host" drop [as root]=2C and I have looked in /var/log/m= essages (on the mounting host=2C as well as the NFS server=2C and do not se= e any errors... Please not that the NFS export is a pre-existing share on t= he NFS server=2C and does contain pre-existing data (ISOs=2C etc.)</div><di= v><br></div><div>How can I debug this?</div> </div></body> </html>= --_84d40e63-2fba-48dd-8b16-7e7d22a9a18a_--
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--_26fe8b8f-1c5a-41d9-a7c7-c906204da921_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks for the reply=2C Markus.
The share is on a Illumos (nee OpenSolaris) box=2C and uses ZFS's NFS imple= mentation. Here is the output of the "share" command (i.e. exportfs) for th= is share: -@storage/ovir /volumes/storage/ovirt-isos anon=3D36=2Csec=3Dnone=2Crw = "" I did change the NFS mount options (added the "anon=3D36"=2C and changed th= e "sec=3D" option from "sys to "none")=2C and now I'm getting a slightly di= fferent error: -----Error while executing action Add Storage Connection: Problem while try= ing to mount target----- Any way to get more info on what exactly the propblem is?? = --_26fe8b8f-1c5a-41d9-a7c7-c906204da921_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <style><!-- .hmmessage P { margin:0px=3B padding:0px } body.hmmessage { font-size: 12pt=3B font-family:Calibri } --></style></head> <body class=3D'hmmessage'><div dir=3D'ltr'>Thanks for the reply=2C Markus.<= br><div><br>>=3B Did you follow the NFS export guidelines and userid 36? = Here the<br>>=3B export data from our ISO NFS server path<br>>=3B <br>&= gt=3B # ls -ald /var/nas3/OVirtISO<br>>=3B drwxrwxr-x 3 36 36 74 Dez 10 1= 2:53 /var/nas3/OVirtISO<br>>=3B # cat /etc/exports<br>>=3B /var/nas3/OV= irtEXP 10.0.0.0/12(rw=2Casync=2Cno_subtree_check=2Canonuid=3D36=2Canongid= =3D36=2Call_squash)<br>>=3B ...<br>>=3B <br>>=3B Markus<br></div><div= div><br></div><div>Any way to get more info on what exactly the propblem is= ??</div> </div></body> </html>= --_26fe8b8f-1c5a-41d9-a7c7-c906204da921_--
--_3d0a2dd1-ed14-4440-bb69-4de96b116146_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I am still trying to resolve this issue. I found the "Troubleshooting NFS S= torage Issues" page=2C and have a few questions regarding the troubleshooti= ng steps contained therein... 1) In the "Permissions" section=2C there's a suggestion under the "SELinux"= subsection to "su - vdsm -s /bin/bash" and then try to mount the target NF= S share under a temp mountpoint. However=2C the mount command is only usabl= e as 'root'=2C right? If this can indeed be done=2C please let me know how = (and I will update the wiki page...) 2) In the "nfs-check program" section=2C it says to run the Python script p= assing the the target NFS share path as a parameter. However=2C it does not= indicate where to run the script -- on the engine=2C or on a node? (When I= ran it on a node=2C it gives the output: return =3D 32 error mount.nfs: ac= cess denied by server while mounting stordevfs.nec-labs.com:/volumes/storag= e/ovirt-isos) Thanks!Will From: willarddennis@live.com To: stockhausen@collogia.de=3B users@ovirt.org Date: Mon=2C 20 Jan 2014 16:17:28 -0500 Subject: Re: [Users] Error when trying to create a new ISO storage domain =0A= =0A= =0A= Thanks for the reply=2C Markus.
The share is on a Illumos (nee OpenSolaris) box=2C and uses ZFS's NFS imple= mentation. Here is the output of the "share" command (i.e. exportfs) for th= is share: -@storage/ovir /volumes/storage/ovirt-isos anon=3D36=2Csec=3Dnone=2Crw = "" I did change the NFS mount options (added the "anon=3D36"=2C and changed th= e "sec=3D" option from "sys to "none")=2C and now I'm getting a slightly di= fferent error: -----Error while executing action Add Storage Connection: Problem while try= ing to mount target----- Any way to get more info on what exactly the propblem is?? =0A= _______________________________________________=0A= Users mailing list=0A= Users@ovirt.org=0A= http://lists.ovirt.org/mailman/listinfo/users = --_3d0a2dd1-ed14-4440-bb69-4de96b116146_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <style><!-- .hmmessage P { margin:0px=3B padding:0px } body.hmmessage { font-size: 12pt=3B font-family:Calibri } --></style></head> <body class=3D'hmmessage'><div dir=3D'ltr'>I am still trying to resolve thi= s issue. I found the "Troubleshooting NFS Storage Issues" page=2C and have = a few questions regarding the troubleshooting steps contained therein...<di= v><br></div><div>1) In the "Permissions" section=2C there's a suggestion un= der the "SELinux" subsection to "su - vdsm -s /bin/bash" and then try to mo= unt the target NFS share under a temp mountpoint. However=2C the mount comm= and is only usable as 'root'=2C right? If this can indeed be done=2C please= let me know how (and I will update the wiki page...)</div><div><br></div><= div>2) In the "nfs-check program" section=2C it says to run the Python scri= pt passing the =3Bthe target NFS share path as a parameter. However=2C = it does not indicate where to run the script -- on the engine=2C or on a no= de? (When I ran it on a node=2C it gives the output: =3Breturn =3D 32 e= rror mount.nfs: access denied by server while mounting stordevfs.nec-labs.c= om:/volumes/storage/ovirt-isos)<br><br>Thanks!</div><div>Will<br><br><div><= hr id=3D"stopSpelling">From: willarddennis@live.com<br>To: stockhausen@coll= ogia.de=3B users@ovirt.org<br>Date: Mon=2C 20 Jan 2014 16:17:28 -0500<br>Su= bject: Re: [Users] Error when trying to create a new ISO storage domain<br>= <br>=0A= =0A= <style><!--=0A= .ExternalClass .ecxhmmessage P {=0A= padding:0px=3B=0A= }=0A= =0A= .ExternalClass body.ecxhmmessage {=0A= font-size:12pt=3B=0A= font-family:Calibri=3B=0A= }=0A= =0A= --></style>=0A= <div dir=3D"ltr">Thanks for the reply=2C Markus.<br><div><br>>=3B Did you= follow the NFS export guidelines and userid 36? Here the<br>>=3B export = data from our ISO NFS server path<br>>=3B <br>>=3B # ls -ald /var/nas3/= OVirtISO<br>>=3B drwxrwxr-x 3 36 36 74 Dez 10 12:53 /var/nas3/OVirtISO<br= the "anon=3D36"=2C and changed the "sec=3D" option from "sys to "none")=2C= and now I'm getting a slightly different error:</div><div><br></div><div>-= ----</div><div><font face=3D"Arial Unicode MS=2C Arial=2C sans-serif" size= =3D"3">Error while executing action Add Storage Connection: Problem while t= rying to mount target</font></div><div><font face=3D"Arial Unicode MS=2C Ar= ial=2C sans-serif" size=3D"3">-----</font></div><div><br></div><div>Any way= to get more info on what exactly the propblem is??</div> </div>= =0A= <br>_______________________________________________=0A= Users mailing list=0A= Users@ovirt.org=0A= http://lists.ovirt.org/mailman/listinfo/users</div></div> </div>= </body> </html>= --_3d0a2dd1-ed14-4440-bb69-4de96b116146_--
--_3f61678c-eed1-4323-b4bc-f49d198b4e5d_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks for the response=2C Dafna...
Just needed a clue where to look=2C thanks :) I see that the mount cmd is being invoked with sudo=2C and that's how it wo= rks for the user vdsm --/usr/bin/sudo -n /bin/mount -t nfs -o soft=2Cnoshar= ecache=2Ctimeo=3D600=2Cretrans=3D6=2Cnfsvers=3D3 stordevfs.nec-labs.com:/vo= lumes/storage/ovirt-isos /rhev/data-center/mnt/stordevfs.nec-labs.com:_volu= mes_storage_ovirt-isos And then the resulting error I'm getting:MountError: (32=2C '=3Bmount.nfs: = access denied by server while mounting stordevfs.nec-labs.com:/volumes/stor= age/ovirt-isos\n') ...which correlates with the output of the nfs-check.py script. So=2C I will have to debug on the Illumos side as to why I don't seem to ha= ve the needed perm's=3B but=2C in the meantime=2C I did set up a NFS share = on a CentOS 6.4 box I have available=2C following directions on http://www= .ovirt.org/Troubleshooting_NFS_Storage_Issues =2C and it does work fine fro= m there.=20 Thanks for your assistance! Best=2CWill = --_3f61678c-eed1-4323-b4bc-f49d198b4e5d_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <style><!-- .hmmessage P { margin:0px=3B padding:0px } body.hmmessage { font-size: 12pt=3B font-family:Calibri } --></style></head> <body class=3D'hmmessage'><div dir=3D'ltr'><br>Thanks for the response=2C D= afna...<br><div><br>>=3B vdsm is using mount command.<br>>=3B please lo= ok at vdsm log and find the mount command that is failing and <br>>=3B ru= n it manually to see the mount trace.<br>>=3B <br>>=3B you can also att= ach the vdsm log here and we can try to find it :)<br>>=3B <br>>=3B Daf= na<br><br></div><div>Just needed a clue where to look=2C thanks :)</div><di= v><br></div><div>I see that the mount cmd is being invoked with sudo=2C and= that's how it works for the user vdsm --</div><div><div><font face=3D"Cour= ier New">/usr/bin/sudo -n /bin/mount -t nfs -o soft=2Cnosharecache=2Ctimeo= =3D6<span style=3D"font-size: 12pt=3B">00=2Cretrans=3D6=2Cnfsvers=3D3 stord= evfs.nec-labs.com:/volumes/storage/ovirt-isos /rhev/data-center/mnt/stordev= fs.nec-labs.com:_volumes_storage_ovirt-isos</span></font></div></div><div><= br></div><div>And then the resulting error I'm getting:</div><div><font fac= e=3D"Courier New">MountError: (32=2C '=3Bmount.nfs: access denied by server= while mounting stordevfs.nec-labs.com:/volumes/storage/ovirt-isos\n')</fon= t></div><div><br></div><div>...which correlates with the output of the nfs-= check.py script.</div><div><br></div><div>So=2C I will have to debug on the= Illumos side as to why I don't seem to have the needed perm's=3B but=2C in= the meantime=2C I did set up a NFS share on a CentOS 6.4 box I have availa= ble=2C following directions on =3B<a href=3D"http://www.ovirt.org/Trou= bleshooting_NFS_Storage_Issues" target=3D"_blank" style=3D"font-size: 12pt= =3B">http://www.ovirt.org/Troubleshooting_NFS_Storage_Issues</a> =3B=2C= and it does work fine from there. =3B</div><div><br></div><div>Thanks = for your assistance!</div><div><br></div><div>Best=2C</div><div>Will</div> = </div></body> </html>= --_3f61678c-eed1-4323-b4bc-f49d198b4e5d_--
participants (3)
-
Dafna Ron -
Markus Stockhausen -
Willard Dennis