There is no such option to my knowledge.
But you can use dumpadm to configure a slice big enough
to hold the compressed crash file.
-surya

Rob Logan wrote:
> 
> is there any way to dump on two devices or make the core
> smaller?
> 
> 00:10:06 ^Mpanic[cpu1]/thread=ffffffff9c4b3ac0:
> 00:10:06  [ID 403854 kern.notice] assertion failed: total_size == 0,
>   file: ../../common/syscall/sendfile.c, line: 738
> 00:10:06  [ID 655072 kern.notice] fffffe8000c01a00 assfail+83 ()
> 00:10:06  [ID 655072 kern.notice] fffffe8000c01b60 
> sendvec_small_chunk+8ff ()
> 00:10:06  [ID 655072 kern.notice] fffffe8000c01eb0 sendfilev+348 ()
> 00:10:06  [ID 655072 kern.notice] fffffe8000c01f00 
> unix:sys_syscall32+1ff ()
> 00:10:06  [ID 672855 kern.notice] syncing file systems...
> 00:10:08  [ID 904073 kern.notice]  done
> 00:10:09  [ID 111219 kern.notice] dumping to /dev/dsk/c1t0d0s1, offset 
> 214892544, content: kernel
> 00:10:41  [ID 409368 kern.notice] ^M 88% done: 566313 pages dumped, 
> compression ratio 2.79,
> 00:10:41  [ID 495082 kern.notice] dump failed: error 28
> 00:22:56  [ID 540533 kern.notice] ^MSunOS Release 5.11 Version 
> opensol-20060717 64-bit
> 00:23:16 savecore: [ID 570001 auth.error] reboot after panic: assertion 
> failed:
>   total_size == 0, file: ../../common/syscall/sendfile.c, line: 738
> 00:23:16 savecore: [ID 969958 auth.error] not enough space in 
> /var/crash/focal (487 MB avail, 2233 MB needed)
> 
> 09:09:12 ^Mpanic[cpu1]/thread=ffffffff920b2e40:
> 09:09:12  [ID 403854 kern.notice] assertion failed: total_size == 0,
>   file: ../../common/syscall/sendfile.c, line: 738
> 09:09:12  [ID 655072 kern.notice] fffffe8000da5a00 assfail+83 ()
> 09:09:12  [ID 655072 kern.notice] fffffe8000da5b60 
> sendvec_small_chunk+8ff ()
> 09:09:12  [ID 655072 kern.notice] fffffe8000da5eb0 sendfilev+348 ()
> 09:09:12  [ID 655072 kern.notice] fffffe8000da5f00 
> unix:sys_syscall32+1ff ()
> 09:09:12  [ID 672855 kern.notice] syncing file systems...
> 09:09:12  [ID 904073 kern.notice]  done
> 09:09:13  [ID 111219 kern.notice] dumping to /dev/dsk/c1t0d0s1, offset 
> 214892544, content: kernel
> 09:09:44  [ID 409368 kern.notice] ^M 83% done: 526985 pages dumped, 
> compression ratio 2.59,
> 09:09:44  [ID 495082 kern.notice] dump failed: error 28
> 09:21:58  [ID 540533 kern.notice] ^MSunOS Release 5.11 Version 
> opensol-20060717 64-bit
> 09:22:18 savecore: [ID 570001 auth.error] reboot after panic: assertion 
> failed:
>   total_size == 0, file: ../../common/syscall/sendfile.c, line: 738
> 09:22:18 savecore: [ID 908602 auth.error] not enough space in 
> /var/crash/focal (486 MB avail, 2079 MB needed)
> 
> _______________________________________________
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> mdb-discuss at opensolaris.org

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