/*
* This routine is meant to be called once the first pass
* to ensure that we have a candidate volume to mount.
* Otherwise, we ask the sysop to created one.
*/
bool DCR::find_a_volume()
{
DCR *dcr = this;
if (!is_suitable_volume_mounted()) {
bool have_vol = false;
/* Do we have a candidate volume? */
if (dev->vol) {
bstrncpy(VolumeName, dev->vol->vol_name, sizeof(VolumeName));
have_vol = dir_get_volume_info(this, GET_VOL_INFO_FOR_WRITE);
}
/*
* Get Director's idea of what tape we should have mounted.
* in dcr->VolCatInfo
*/
if (!have_vol) {
Dmsg0(200, "Before dir_find_next_appendable_volume.\n");
while (!dir_find_next_appendable_volume(dcr)) {
Dmsg0(200, "not dir_find_next\n");
if (job_canceled(jcr)) {
unlock_volumes();
return false;
}
unlock_volumes();
if (!dir_ask_sysop_to_create_appendable_volume(dcr)) {
return false;
}
lock_volumes();
Dmsg0(150, "Again dir_find_next_append...\n");
}
}
}
return true;
}
/**
* Request the sysop to create an appendable volume
*
* Entered with device blocked.
* Leaves with device blocked.
*
* Returns: true on success (operator issues a mount command)
* false on failure
* Note, must create dev->errmsg on error return.
*
* On success, dcr->VolumeName and dcr->VolCatInfo contain
* information on suggested volume, but this may not be the
* same as what is actually mounted.
*
* When we return with success, the correct tape may or may not
* actually be mounted. The calling routine must read it and
* verify the label.
*/
bool dir_ask_sysop_to_create_appendable_volume(DCR *dcr)
{
int status = W_TIMEOUT;
DEVICE *dev = dcr->dev;
JCR *jcr = dcr->jcr;
bool got_vol = false;
if (job_canceled(jcr)) {
return false;
}
Dmsg0(dbglvl, "enter dir_ask_sysop_to_create_appendable_volume\n");
ASSERT(dev->blocked());
for ( ;; ) {
if (job_canceled(jcr)) {
Mmsg(dev->errmsg,
_("Job %s canceled while waiting for mount on Storage Device \"%s\".\n"),
jcr->Job, dev->print_name());
Jmsg(jcr, M_INFO, 0, "%s", dev->errmsg);
return false;
}
got_vol = dir_find_next_appendable_volume(dcr); /* get suggested volume */
if (got_vol) {
goto get_out;
} else {
if (status == W_TIMEOUT || status == W_MOUNT) {
Mmsg(dev->errmsg, _(
"Job %s is waiting. Cannot find any appendable volumes.\n"
"Please use the \"label\" command to create a new Volume for:\n"
" Storage: %s\n"
" Pool: %s\n"
" Media type: %s\n"),
jcr->Job,
dev->print_name(),
dcr->pool_name,
dcr->media_type);
Jmsg(jcr, M_MOUNT, 0, "%s", dev->errmsg);
Dmsg1(dbglvl, "%s", dev->errmsg);
}
}
jcr->sendJobStatus(JS_WaitMedia);
status = wait_for_sysop(dcr);
Dmsg1(dbglvl, "Back from wait_for_sysop status=%d\n", status);
if (dev->poll) {
Dmsg1(dbglvl, "Poll timeout in create append vol on device %s\n", dev->print_name());
continue;
}
if (status == W_TIMEOUT) {
if (!double_dev_wait_time(dev)) {
Mmsg(dev->errmsg, _("Max time exceeded waiting to mount Storage Device %s for Job %s\n"),
dev->print_name(), jcr->Job);
Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
Dmsg1(dbglvl, "Gave up waiting on device %s\n", dev->print_name());
return false; /* exceeded maximum waits */
}
continue;
}
if (status == W_ERROR) {
berrno be;
Mmsg0(dev->errmsg, _("pthread error in mount_next_volume.\n"));
Jmsg(jcr, M_FATAL, 0, "%s", dev->errmsg);
return false;
}
Dmsg1(dbglvl, "Someone woke me for device %s\n", dev->print_name());
}
get_out:
jcr->sendJobStatus(JS_Running);
Dmsg0(dbglvl, "leave dir_ask_sysop_to_mount_create_appendable_volume\n");
return true;
}
