[j-nsp] upgrading an antique 240

[Randy Bush]

made it from 14.2 to 15.1 so far.  a silly question.  to where are folk
uploading the to-be-installed images?  my old fingers want /var/tmp, but
it gets blown away.

and there ain't a lot of space

root at r1:/packages # df -h
Filesystem                          Size    Used   Avail Capacity  Mounted on
/dev/md0.uzip                        18M     18M      0B   100%    /
devfs                               1.0K    1.0K      0B   100%    /dev
/dev/gpt/junos                       32G    1.1G     29G     4%    /.mount
devfs                               1.0K    1.0K      0B   100%    /.mount/dev
/dev/md1.uzip                        20M     20M      0B   100%    /.mount/packages/mnt/os-libs-10
/dev/md2.uzip                        18M     18M      0B   100%    /.mount/packages/mnt/os-runtime
procfs                              4.0K    4.0K      0B   100%    /.mount/proc
tmpfs                               5.4G     24K    5.4G     0%    /.mount/tmp
/dev/md3.uzip                       1.6M    1.6M      0B   100%    /.mount/packages/mnt/os-zoneinfo32-936c0ada
/dev/md4.uzip                        12M     12M      0B   100%    /.mount/packages/mnt/py-base32-4f9ea047
/dev/md5.uzip                       6.9M    6.9M      0B   100%    /.mount/packages/mnt/os-crypto
/dev/md6.uzip                        13M     13M      0B   100%    /.mount/packages/mnt/junos-net
/dev/md7.uzip                        43M     43M      0B   100%    /.mount/packages/mnt/junos-libs
/dev/md8.uzip                       774M    774M      0B   100%    /.mount/packages/mnt/junos-runtime32-563987c0
/packages/mnt/junos-libs/lib         43M     43M      0B   100%    /.mount/packages/mnt/junos-runtime32-563987c0/web-api/libs/junos
/packages/mnt/os-libs-10/lib         20M     20M      0B   100%    /.mount/packages/mnt/junos-runtime32-563987c0/web-api/libs/os
/packages/mnt/os-runtime/libexec     18M     18M      0B   100%    /.mount/packages/mnt/junos-runtime32-563987c0/web-api/libexec
/packages/mnt/junos-net/lib          13M     13M      0B   100%    /.mount/packages/mnt/junos-runtime32-563987c0/web-api/libs/junos-net
/var/jails/rest-api                  32G    1.1G     29G     4%    /.mount/packages/mnt/junos-runtime32-563987c0/web-api/var
/dev/md9.uzip                        45M     45M      0B   100%    /.mount/packages/mnt/junos-platform
/dev/md10.uzip                       15M     15M      0B   100%    /.mount/packages/mnt/junos-modules32-14328689
/dev/md11.uzip                      9.0M    9.0M      0B   100%    /.mount/packages/mnt/junos-dp-crypto-support-mtx32-78d86fe5
/dev/md12.uzip                       24M     24M      0B   100%    /.mount/packages/mnt/junos-daemons32-9d9ac8eb
/dev/md13.uzip                       74M     74M      0B   100%    /.mount/packages/mnt/jpfe-common32-c6d2edf5
/dev/md14.uzip                       11M     11M      0B   100%    /.mount/packages/mnt/jdocs32-2e14ba29
/dev/md15.uzip                       14M     14M      0B   100%    /.mount/packages/mnt/fips-mode32-27bf7ed7
tmpfs                               593M     17M    576M     3%    /.mount/mfs
/dev/md16.uzip                      394M    394M      0B   100%    /.mount/packages/mnt/jpfe-X96032-fc2c5f86


root at r1.dfw> request system snapshot recovery    
Creating image ...
Compressing image ...
Image size is 905MB
ERROR: The OAM volume is too small to store a snapshot