Junos OS

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  • 1.  Delete files from loader

    Posted 11-26-2015 03:48

    Hi

     

    I'm wondering if it's possible to delete files from the loader of a junos device. I did an upgrade of a SRX650 and ended up running out of space on the device during booting. 

    super-block backups (for fsck -b #) at:
     32, 10272, 20512, 30752
    Populating MFSROOT...
    cp: /cf/var/jail/run/mgd_gk: Operation not supported
    cp: /cf/var/jail/run/breakout: Operation not supported
    cp: /cf/var/jail/run/eventd_events: Operation not supported
    pid 68 (cp), uid 0 inumber 1383 on /junos: filesystem full
    
    /junos: write failed, filesystem is full
    cp: /junos/cf/var/db/idpd/nsm-download/groups.xml: No space left on device
    cp: /junos/cf/var/db/idpd/nsm-download/SignatureUpdate.xml: No space left on device
    cp: /junos/cf/var/db/idpd/nsm-download/applications.xml: No space left on device
    cp: /junos/cf/var/db/idpd/bins/compressed_ai.bin: No space left on device
    cp: /junos/cf/var/db/idpd/bins/libidp-detector.so.tgz.v: No space left on device
    cp: /junos/cf/var/db/idpd/bins/compiled_ai.bin: No space left on device
    cp: /junos/cf/var/db/idpd/sec-download/sub-download/templates.xml: No space left on device
    cp: /junos/cf/var/db/idpd/sec-download/detector-capabilities.xml: No space left on device
    cp: /junos/cf/var/db/idpd/sec-download/SignatureUpdate.xml: No space left on device
    cp: /junos/cf/var/db/idpd/sec-download/libidp-detector.so.tgz.v: No space left on device
    cp: /junos/cf/var/db/idpd/sec-download/groups.xml: No space left on device
    cp: /junos/cf/var/db/idpd/sec-download/applications.xml: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_02.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_12.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_01.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_03.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_04.dpid 68 (cp), uid 0 inumber 2032 on /junos: filesystem full
    b: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_05.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_06.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_07.db: No space left on device
    
    /junos: write failed, filesystem is full
    cp: /junos/cf/var/db/idpd/db/secdb_08.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_09.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_10.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_17.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_18.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_13.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_14.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_15.db: No space left on device
    cp: /junos/cf/var/db/idpd/db/secdb_16.db: No space left on device
    cp: /junos/cf/var/db/idpd/sec-repository/installed-detector/libidp-detector.so.tgz.v: No space left on device
    cp: /junos/cf/var/db/idpd/sec-repository/attack.list: No space left on device
    cp: /junos/cf/var/dbpid 68 (cp), uid 0 inumber 146 on /junos: filesystem full
    /idpd/sec-repository/libidp-detector.so.tgz.v: No space left on device
    cp: /junos/cf/var/db/idpd/sec-repository/application_ext.list: No space left on device
    cp: /junos/cf/var/db/idpd/sec-repository/attack-group.list: No space left on device
    
    /junos: write failed, filesystem is full
    cp: /junos/cf/var/db/leases/0164b8538a2098.jdl: No space left on device
    cp: /junos/cf/var/db/leases/01285aeb537d35.jdl: No space left on device
    cp: /junos/cf/var/db/leases/01e8508b8ba144.jdl: No space left on device
    cp: /junos/cf/var/db/leases/014480eba2c7c3.jdl: No space left on device
    cp: /junos/cf/var/db/leases/0134c059da8682.jdl: No space left on device
    cp: /junos/cf/var/db/leases/015c8d4eb4285b.jdl: No space left on device
    cp: /junos/cf/var/db/leases/01f409d8a2bdf2.jdl: No space left on device
    cp: /junos/cf/var/db/leases/0154269633e9dd.jdl: No space left on device
    cp: /junos/cf/var/db/leases/192.168.200.18-01040cce970383.jdl: No space left on device
    cp: /junos/cf/var/db/leases/01f025b74ab904.jdl: No space left on device
    cp: /junos/cf/var/db/leases/01b86ce821c62e.jdl: No spid 68 (cp), uid 0 inumber 160 on /junos: filesystem full
    pace left on device
    cp: /junos/cf/var/db/leases/01f409d8e42cc2.jdl: No space left on device
    cp: /junos/cf/var/db/leases/01d022beecfd12.jdl: No space left on device
    cp: /junos/cf/var/db/leases/192.168.200.31-017cc3a1d75e94.jdl: No space left on device
    
    /junos: write failed, filesystem is full
    cp: /junos/cf/var/db/leases/192.168.200.13-0130a8db8f08a7.jdl: No space left on device
    cp: /junos/cf/var/db/leases/192.168.200.11-010018608aa4f8.jdl: No space left on device
    cp: /junos/cf/var/db/leases/192.168.200.20-01b8c75d2f3b94.jdl: No space left on device
    cp: /junos/cf/var/db/leases/01001723077d8c.jdl: No space left on device
    cp: /junos/cf/var/db/ai_cachepcre_cache.db: No space left on device
    cp: /junos/cf/var/db/ext_id_map.db: No space left on device
    cp: /junos/cf/var/db/feature.db: No space left on device
    cp: /junos/cf/var/db/commits: No space left on device
    cp: /junos/cf/var/db/snmp_engine.db: No space left on device
    cp: /junos/cf/var/db/dcd.snmp_ix: No space left on device
    cp: /junos/cf/var/db/nat_rpd.db: No space left on device
    cp: /junos/cf/var/db/kmd_rpdpid 68 (cp), uid 0 inumber 175 on /junos: filesystem full
    .db: No space left on device
    cp: /junos/cf/var/db/ntp.drift: Noinit died (signal 0, exit 20)
    panic: Going nowhere without my init!
    cpuid = 0
    KDB: stack backtrace:
    0x419890+0x14 (0x14,0x3ffed898,0x1a,0) ra 0x41756c sz 0
    0x417508+0x64 (0x14,0x3ffed898,0x1a,0) ra 0x405528 sz 32
    0x4052f4+0x234 (0x14,0x3ffed898,0x1a,0) ra 0 sz 48
    pid 1, process: preinit-main
    ###Entering boot mastership relinquish phase
    KDB: enter: panic
    [thread pid 1 tid 100005 ]
    Stopped at      breakpoint+0x4: jr      ra
    db> 

    I have no physical access to the device so can't connect an USB drive. I also don't have an ethernet cable connected to the first onboard ethernet interface.

     

    So none of the normal format methods from the loader apply. Is there a way to delete files from the loader?



  • 2.  RE: Delete files from loader
    Best Answer

    Posted 12-04-2015 10:51

    Hello,

    If You have dual-root partition on this SRX and still stuck, then You can try to corrupt primary partition by repeatedly power-cycling this device in order to force-boot from alternate one.

    Then You can free storage space

     

    request system storage cleanup

    - and then repeat the upgrade.

    HTH

    Thx

    Alex



  • 3.  RE: Delete files from loader

    Posted 12-07-2015 22:31

    Hi

    I ended up having someone going there with a USB stick after a long downtime on the FW. But what you suggest might have worked.